The end of the world really could be at hand, scientists warned yesterday, and there are a number of ways it could happen, the British Association science festival in Glasgow heard yesterday. It was dangerous.
Scientists conjure up possibility of volcano triggering world's worst natural calamity.
It is possible to tie a knot that cannot be untied. The physical sciences include the core areas of chemistry and physics, encompassing theoretical and experimental subjects, but generally with a high demand for facilities and resources. In a provocative three-day series of essays last week, Bjorn Lomborg argued against the general consensus that man is destroying the planet. Here, three leading environmental thinkers dispute his theories. We are cooking our own planet, driving thousands of species to extinction and filling our skies and rivers with poison.