NOW there is indisputable evidence that humans are causing global warming, claims a team that studied the extent and pattern of the rise in ocean temperatures. The oceans eventually absorb 84 per cent of the Earth’s extra heat, and the distribution of that heat closely matches what climate models predict would be the effect of human activity. Natural causes are ruled out, the team says.
“The evidence is so strong that it should put an end to any debate about whether humanity is causing global warming,” says Tim Barnett of the Scripps Institution of Oceanography in La Jolla, California.
Barnett’s…
