Can any 1 give me a simple review of global warming quickly??

Question

i need it 4 a speech actually jst d 1st 5 lines need 2 be an intro

Answer 1

Too many... planes, trains, cars, ships,factories,people,we need to shut down some of these toxic factories.

Answer 2

Many years ago, the Earth was covered in ice.  Then it wasn't.  Then it was.  Now it isn't.

Answer 3

If there is global warming, which many doubt, it is the result of natural climate changes.

Answer 4

Global warming is a cyclic, natural thing caused by solar activity.  It heats the atmosphere, evaporates more water, causing more co2 in the atmosphere.  Then the process reverses.  it has been going on forever, and will continue like this.  Some people think global warming is man-made but I disagree.  

Go on the net and google 'against global warming' and there is lots of good scientific data to explain it.

Answer 5

As the ozone layer continues to decay, the sun's rays are being blocked less, making it warmer here on Earth.

Answer 6

Global warming is the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation.

Answer 7

You mean a summary.