It's pretty simple if you think about it. We are outgrowing the Earth that we live in. We are grossly overpopulated . We are using up all of our natural resources at an alarming rate Global warming is the reason why storms like hurricanes and tornados are so powerful now not to mention the polar ice caps are melting at an alarming rate. They say that in 10 years Florida will be under water.
There are many gases which contribute to global warming. Some have a more potent effect than others. The number after the name indicates the equivalent greenhouse gas effect compared to carbon dioxide (the principal man-made greenhouse gas):
Water vapor is an odd one in the list. It contributes to global warming because as the atmosphere warms (from CO2 and the other greenhouse gases) the warmer atmosphere is able to to hold more water vapor, which in turn captures more heat, thus adding to the warming through the feedback effect. Most models though ignore the cooling effect that is also associated with water vapor and is a problem that even the IPCC admits they do not have a good handle on.
The forcing numbers for all significant green houses gases are as follows:
No, Global Climate Change has very little to do with the Depletion of the Ozone Layer.
Recent global climate change or global warming is now considered by most climate scientists to be the likely result of increases in man-made greenhouse gas concentrations such as carbon Dioxide (CO2) in the atmosphere. These gases absorb strongly in the Infra red part of the electromagnetic spectrum. This has the effect of trapping heat and raising the temperature of the lower atmosphere.
The depletion of the ozone (O3) layer or 'ozone hole' occurs mainly in the stratosphere, and is due to the catalytic destruction by atomic chlorine and bromine. The main source of these is from the photodissociation of man made chlorofluorocarbon (CFC) compounds.
These effects are usually regarded as distinct phenomena. However there are a number of areas of linkage between ozone depletion and recent global warming.
Ozone is also created at the surface due to photochemical reactions between various man made pollutants, this adds to the greenhouse warming but is nothing to do with the ozone depletion in the stratosphere.
No, it is also determined by Elevation
gas ranges, people, fire places & stoves
Governments and businesses have to
We the people have to
We the children have to
We can try to prevent global warming by saving energy. Some ways to save energy are by doing the following:
It is too late to prevent substantial global warming over the course of the next century. We can delay effects by reducing our consumption of fossil fuels, but we have essentially already pulled the trigger on global warming. Worse, we continue to ignore the findings of science and insist on ever larger subsidies for our fossil fuel industry.
On a positive note, the US HAS reduced is carbon emissions a little bit in the past two years. Earth passed 350 ppm CO2 levels in the 1980s, which many scientists consider to be the maximum sustainable level. We are now at nearly 400 ppm, and will pass 500 ppm before 2050.
Ways to reduce global warming:
Unfortunately, not at the present time. We can begin taking steps to slow down our production of greenhouse gas, but earth will continue warming for centuries to come solely on the basis of our emissions over the past century.
At this point all you can do is slow it down. That would help the world out a lot.
Venus, the second planet from the sun, is covered in clouds and has a very high surface temperature due to its greenhouse effect.
Due to an excess amount of carbon dioxide (CO2), its temperature is 460 degrees Celsius or 850 Fahrenheit or 735 Kelvin. It is the hottest planet.
It has a very thick atmosphere of Carbon dioxide that is considered a runaway greenhouse effect. Its average surface pressure due to the thick atmosphere is 93 bar, or 93 times that of Earth's. It is also the hottest planet.
The greenhouse effect occurs on every planet with an atmosphere (including Earth). On Venus, the runaway greenhouse effect is causing temperatures high enough to melt lead. Venus lost its oceans due to its greenhouse effect.
Antarctica is the coldest place on our planet, far colder than the Arctic, so changes from global warming will be slower to happen and difficult to measure.
However, there are changes happening. Ice is melting at the edges and snow is building up in the centre!
Warmer air means more moisture in the atmosphere, and this is falling as snow on the centre of the continent. This snow doesn't melt, but builds up as ice.
Approximately 100 cubic kilometers (24 cubic miles) of ice melts in Antarctica every year (NASA's Grace satellite).
East Antarctica is a high, cold, desert plateau. Satellite data show a little mass loss at the edges, but this is counterbalanced by a buildup of snow in the centre. Not much is happening in East Antarctica.
West Antarctica is a series of islands covered with ice, with most of the ice resting on the floor of the ocean (1.7 km or more than 1 mile below sea level in places). The 'grounding line' is where the front of the glacier touches the sea bed. These grounding lines are retreating, which means that the glaciers are losing mass. When this happens, when the underwater part of the glacier melts, the top becomes an ice shelf. An ice shelf is very vulnerable to a warming ocean and the Antarctic ice shelves have been collapsing.
In 2002 the Larsen-B ice shelf (the size of Rhode Island) collapsed and was caught on satellite cameras. The 12,000-year-old ice shelf crumbled in three weeks. After the collapse, the glaciers behind the ice shelf sped up their movement into the ocean.
NASA's satellite measurements show that Antarctica has been losing more than 100 cubic kilometers (24 cubic miles) of ice each year since 2002. The rate of melting is also speeding up.
Al Gore says that global warming is happening, we CAN stop it, and we have to stop putting greenhouse gases into the air and conserve energy and resources.
Al Gore believes strongly that global warming is a very serious and dangerous effect that man is causing. He is a outspoken leader on our need to curb our greenhouse emissions. His comments and leadership is unquestionably for serious action. In April 2014, speaking at the University of Hawaii, he warned, "the future of civilization is at stake!"
The Green Revolution was the notable increase in cereal-grains production in Mexico, India, Pakistan, the Philippines, and other developing countries in the 1960s and 1970s. This trend resulted from the introduction of hybrid strains of wheat, rice, and corn (maize) and the adoption of modern agricultural technologies, including irrigation and heavy doses of chemical fertilizer. The Green Revolution was launched by research establishments in Mexico and the Philippines that were funded by the governments of those nations, international donor organizations, and the U.S. government. Similar work is still being carried out by a network of institutes around the world.
The Green Revolution was based on years of painstaking scientific research, but when it was deployed in the field, it yielded dramatic results, nearly doubling wheat production in a few.
Thousands, probably millions. It's impossible to say. Pollution happens in many ways, air and water, and some effects take some time.
What is the environmental impact of the extraction, transport and use of fossil fuels?
The major fossil fuels we use are oil, natural gas and coal.
The oil spill now occurring in the Gulf of Mexico is an unintended consequence in the extraction of fossil fuels. Tanker accidents resulting in oil spillage are another way that fossil fuels impact our environment.
These impacts may harm the ecosystem, but the ecosystem may recover from spills. One of the largest oil spills occurred during the Kuwait war (see associated link), but the Persian sea (Arabian sea) has recovered.
The environmental impacts of burning fossil fuels has resulted in acid rain. The combustion process produces sulfur dioxide, nitrogen oxide and carbon dioxide, which combined with water vapor in clouds produces various acids.
The carbon dioxide from the burning of fossil fuels is considered by many scientific organization to add to climate change or global warming. There is considerable information and technical reports available on the internet. The impacts of acid rain and global warming may be much more long lasting as they are difficult to reverse. A number of related links are included.
A greenhouse gas is an atmospheric gas that absorbs and retains energy from infrared radiation. Greenhouse gases must have at least three atoms, to vibrate and turn the radiation into heat.
Energy from the sun heats the earth's surface and atmosphere, which drives the earth's weather and climate. The earth's surface radiates some of this solar energy back into space. Certain atmospheric gases are called greenhouse gases (GHGs) because they help trap some of the outgoing energy, retaining heat somewhat like the glass panels of a greenhouse.
Water Vapor is the primary greenhouse gas and makes up about 75 to 80 percent of all warming.
Carbon Dioxide is the second most common and makes up about 5 to 25% of the warming. Man is a contributor to this gas.
Other gases include virtually all gases with three or more molecules in them.
Some examples of the gases are:-
These gases are present in the atmosphere and the reflect the terrestrial radiation emitted by the Earth at night. They help in maintaining warm temperature and their absence can cause severe temperature drop resulting in unsuitable conditions for life to survive. But too much of it can cause global warming.
When you get down to the actual factors. A gas that is considered a greenhouse gas is any gas that has three or more atoms in each molecule. Oxygen has two molecules and therefore does not have the mass to hold energy, while O3 (Ozone) has three and can hold more energy.
Kiribati, a small island nation in the Pacific Ocean, has the smallest carbon footprint. It is particularly vulnerable to sea-level rise from global warming, and its President signed the Bandos Island declaration on 10 November 2009. This was a promise by Kiribati and nine other countries to show moral leadership and start greening their economies by voluntarily committing to carbon neutrality.
This might be possible, but before we go to the enormous challenge and expense of doing that it would be much smarter to develop the ability to use the tremendous amount of solar energy that we already receive.
If the point is to overcome global warming, rest assured that we already have several effective and practical methods of dealing with it and reversing it that are far easier and cheaper. But even those are generally unpopular, and are widely resisted and maligned.
Recycling helps the Earth by not producing more waste onto our planet. We are throwing away far too much rubbish.
So save the planet!
In a small paperback book called STUFF The Secret Lives of Everyday Things, copyright 1997 by Northwest Environment Watch in Seattle, WA, authors Ryan and Durning with research assistance by Breslow, Halvorson, and Tohan, state that "Smelting is so energy intensive that aluminum earned the nickname "congealed electricity." Making a soda can of smelted aluminum takes energy equivalent to a quarter-can of gasoline. (Making a) 33-percent recycled can took about a sixth of a can of gasoline ..."
Despite the date of the book, similar numbers should apply today in 2011. If you determine the number of aluminum beverage cans emptied by consumers, you'll see that the following "good" things might occur. The amount of money needed to produce a typical soda can should be reduced, and the savings should be passed on to consumers. Or, because of recycling of aluminum, the cost of a can of soda is lower than it would otherwise be (the package is often more costly than the product itself). Less electrical energy should be consumed to make "new" aluminum products, thus allowing more energy for other uses, and/or hopefully keeping the price of electrical energy at comparatively lower values. One could envision a number of other beneficial outcomes, such as reduced environmental impact because of a comparatively lower demand for the earth's limited resources and the fact that such resources become more difficult to obtain as the earth's more-easily-obtained raw materials dwindle.
One thing about aluminum production that may not be apparent is that aluminum is made mostly from bauxite. This ore consists of aluminum atoms combined (chemically bonded) with oxygen and hydrogen atoms in a low-energy state; in other words bauxite has existed on the earth's surface for a long time like this (instead of "pure" aluminum) because these atoms bound together are a lower-energy state than if the pure elements existed in the same volume.
"Since highly electropositive metals tend to react at high temperatures with most materials, common pyrometallurgical processes cannot be used for smelting them. A straightforward method for producing these metals is first to purify a salt of a reactive metal and then electrolyze the salt for recovery of the metallic element." p.207, Unit Processes of Extractive Metallurgy, by Pehlke, 1973, Elsevier. What this means is that aluminum atoms are strongly attached/bonded to oxygen atoms, and to release the aluminum atoms from bonds with oxygen atoms requires a comparatively large amount of energy from some source. In this case, a large amount of electricity is needed to efficiently produce large amounts of "pure" aluminum.
If you can reuse something, why not? You won't have to waste resources that you don't have to.
oil and gas are hydrocarbons so they contain hydrogen and carbon
e.g. methane is CH4 (one carbon and four hydrogen atoms)
Most likely an ecologist or meteorologist.
There is a specific degree called climatologist.
Scientists study global warming because the need to know its causes and likely consequences. They also need to find ways of avoiding further global warming so that they can recommend appropriate action.
Other people choose to study global warming because they want to understand the issues and make an informed decision to help minimize our greenhouse gas emissions.A:You need to study global warming because it is probably the most serious challenge facing the world at this time. If we understand it, then we can see what has to be done to deal with it. A:Global warming has been affecting climate change since the 1800s, and the CO2 levels are increasing each year because of human activity. Ice caps are already melting, ocean levels are rising, droughts are happening in some parts, more deserts are forming. This is all because of global warming, and we need to care about this, and to know what we can do about it.
From the natural carbon cycle out of the oceans, soil, and animals, and from the burning of fossil fuels.
The cost of salt is much less than other environmentally friendly products.
It melts snow better than sand which doesn't really melt snow at all all it does is provide traction.
Can cause harm to the environment
It is called the weather. All weather takes place in the atmosphere though it affects the ground.
Yes, plants emit carbon dioxide at night and when they die. Plants emit carbon dioxide and they also capture it again. Plants, along with forests and other kind of vegetation and the world's oceans, emit 97% of the global carbon dioxide emissions. But not only do they emit carbon dioxide, they also capture it. This natural process is called the Carbon Cycle.
Nope, silk is naturally made from various sources, the best known being from the larvae of the mulberry silkworm. Silk itself is actually a natural protein fibre rather than a man made product. The only manmade thing about silk is when it has been woven into patterns and fabrics.
What accomplishments did David Suzuki have?
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