Immigration is a big problem. also, rural-urban migration is as people think they will be able to find jobs, but then there ends up being no space to live so they live in slums, but then there is lots of disease so people die, so then people from the urban environment are happy because theere is space again, but then there is too much noise so they move to the countryside and then they become poor and they need work so the whole cycle starts again
The global level with the most land covering is forest land, followed closely by farmland.
What makes you think that there are only two global issues? I could easily think of a dozen major global issues. At the present time, perhaps the two that are most pressing are the issue of global climate change, and the issue of international terrorism.
Carbon cycle
Most electricity is produced by burning fossil fuels, which releases carbon dioxide which contributes to global warming
carbon dioxide.
more urgent, most urgent
most urgent, more urgent
Global warming is the most serious problem facing us at the moment.
more urgent, most urgent
more urgent, most urgent
Thesis
Either cutting our usage of fossil fuels or cutting down on tree felling.
Most furs live in America, though they are global.
Global population increase
Because an email marked urgent that is not actually urgent is irritating to most, and takes time away from emails that actually are urgent
Mexico is the 11th most populous country in the world, with a population of 112,322,757 according to the 2010 Mexican Census results. This gives Mexico approximately 1.63% of the global population. Mexico falls behind Japan with a population of 127,370,000 (1.85% of the global population), according to the Japanese Statistics Bureau, and falls ahead of the Philippines with a population of 94,013,200 (1.36% of the global population) based on the Medium projection of the Philippine's National Statistics office.
The most significant effect in the Industrial Revolution was the increase in transportation.