I thought we already knew that.

送交者: 校长于 2007-08-15, 15:10:00:

回答: We should realise that 由 Wood 于 2007-08-15, 15:05:39:

But according to mainstream scientists, global warming is "very likely" to be the result of green house effect.

it is stated 90+% caused by human activities. - meiyou (72 bytes) 2007-08-15, 15:35:43 (163042)
- I meant: 90+% likely to be caused by human activity (无内容) - meiyou (0 bytes) 2007-08-15, 15:36:37 (163045)