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No. A few scientist knew that carbon dioxide in the atmosphere was causing a greenhouse effect, bit it wasn't till the 1970s that scientists began to worry. It wasn't till sophisticated computer modelling in the 1990s confirmed global warming and a consensus developed.

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11y ago

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Is global warming an effect of pollution?

Light bulbs do contribute to global warming. A good rule of thumb is that household appliances consume electricity and therefore contribute to global warming in proportion to the amount of heat they produce. Incandescent light globes work by heating a wire filament until it glows white hot, so they are obviously very heavy users of electricity. Replacing these by modern high-efficiency, low energy lights uses a fraction of the electricity and therefore contributes only a fraction of the carbon emissions that lead to global warming.


What do scientist believe about the greenhouse effect?

The increase of "greenhouse gases" in the atmosphere (mostly carbon dioxide and to a lesser extent methane) causes the Earth to retain more of the heat received from the Sun. This "global warming" affects surface ice and weather patterns. The use of fossil fuels and other human activity is believed responsible for the increase in carbon dioxide, although the ultimate effect of this warming cannot be reliably predicted.


What American war was in the 1940?

I believe World War 2.


Why golden gate bridge is famous?

i believe it was famous in 1940


What were the modes of transportation in the 1940's?

I do believe the modes of transportation in the 1940's were automobiles, buses, trolley cars and trains.


How long has global warming effected the earth?

Approximately 4 billion years, give or take a few million years. Since the beginning, the earth has gone through continuous warming and cooling periods. For instance, about 200 million years ago dinsoaurs were roaming around the jungles of Colorado. Global cooling might have been their downfall. More recently, glaciers covered most of Wisconsin about 700,000 years or so ago. Since then there have been as many as 10-12 glacial advances and retreats. The most recent major glacial advance peaked out about 20,000 years ago, then global warming set in and glaciers retreated for about 10,000 years after which there was a slight glacial advance. The earth warmed again and peaked around 5,000 years ago. The warming period since the last major glacial advance was when man started developing agriculture, and have more time to invent stuff. About 2000 years ago there was a minor glacial advance in some areas, then warming. About 500-600 years ago the "little ice age" began with cooling temps that lasted to the mid 1800's. Since then it has been warming except for a cool down from about 1940-1970 when some scientists thought we were going into another "ice age". Since the mid 70's things have been warming rapidly. This warming has been a great opportunity for some folks to blame all global warming on human activities. So far I don't think anyone really knows for sure, but whatever the cause, it could have profound effects on all life on earth, just as it always has.


When were Ronson whirlwind lighters made?

I believe around 1940 and 1950


Where did people hang out in 1940?

no


How much did a gallon of gas cost in the 1940's?

Approx. .20 Believe it or not the price of gas in 1940 was only 18 cents a gallon.


How many people died in Auschwitz in 1940?

There isn't an exact number but about 1,500 people were killed at Auschwitz in 1940.


How many people became citizens in 1940?

In 1940, about 49,540 people became naturalized citizens in the United States.


Why did scientists think the world was experiencing global cooling between the 1940's and 1970's?

During the mid-20th century, scientists observed that global temperatures were decreasing, which led to concerns about global cooling. This cooling trend was likely influenced by natural climate variability, such as increased aerosol emissions from industrial activities and volcanic eruptions, which can block sunlight and have a cooling effect on the climate. However, as our understanding of climate science improved and more comprehensive data became available, it became clear that the long-term trend is global warming due to human activities.