What do you mean by global warming?

Question

What do you mean by global warming?

Answer 1

Some gases ("greenhouse gases") let sunlight in, which warms the Earth, and then block that heat from leaving. That's the "greenhouse effect", and it's a natural thing, mostly caused by water vapor.

Man is making excessive amounts of greenhouse gases, mostly by burning fossil fuels. That causes the delicate natural balance to go out of whack and the Earth warms. That's global warming.

It won't be a Hollywood style disaster. Gradually coastal areas will flood and agriculture will be damaged. But it will be very bad. Rich countries will cope, but it will take huge amounts of money. In poor countries many people will die of starvation, but not all of them.

Most scientists say, in 20-50 years. But we need to start right now to fix it, fixing it will take even longer than that.

More information here:

http://profend.com/global-warming/

Lots of numerical scientific data proving it real here:

http://en.wikipedia.org/wiki/Image:Clima...

http://www.ipcc.ch/SPM2feb07.pdf

Answer 2

Normally it refers to the rise of .6 Cº (1.5 Fº) in the global mean temperature over the past century. And is believed to have been caused primarily by anthropogenic emissions of so called 'green house gasses', mostly carbon dioxide.

It also refers to predicted *future* warming if emissions continue unchecked, which is estimated to be between 3 and 5 Cº.

Answer 3

I mean were sucking this planet dry and spitting it back out toxic.No one wants to be lesser than the other guy and that creates all kinds of problems.We killed this world ********.