Al Gore, the former US vice-president, delivers an upbeat assessment of the global response to climate change
today, saying he believes a "political tipping point" has been reached
which will enable leaders to avert environmental catastrophe.
CLIMATE EXPERTS have urged scientists and engineers to find radical
answers to global warning, suggesting they might even explore a way of
refreezing the North and South Poles.
More bad news on climate change is expected as more than 2,000 climate scientists gather in Copenhagen.
They will be trying to pull together the latest research on global warming ahead of political negotiations later in the year.