41.   The new report also casts doubt on the importance of methane, usually cited as the second most important greenhouse gas after carbon dioxide.

42.   It effectively removes chlorofluorocarbons from the list of active greenhouse gases, since their effect in destroying the ozone layer offsets their contribution to global warming.

43.   If we continue to emit greenhouse gases at the current rate, more and more ecosystems and species will be in grave danger.

44.   Under this binding treaty, states were required to take steps to limit the emission of greenhouse gases, notably carbon dioxide.

45.   The government has published a discussion document on climate change which sets out a series of options on how emissions of greenhouse gases can be reduced.

46.   The Clinton administration has missed its self-imposed deadline of mid-August for presenting detailed proposals on how to reduce emissions of greenhouse gases by the turn of the century.

47.   The report warns that the effects of an imbalance of warming greenhouse gases in the atmosphere will lead to a sea level rise of around half a metre.

48.   Almost without exception, the nations that are most threatened by global warming produce the smallest amounts of greenhouse gases, Hulme says.

49.   Americans increasingly depend on carbon-based fuels that contribute to greenhouse gases.

50.   An industry lobbyist who had spent a decade fighting against binding limits on greenhouse gases at climate talks said he was quite confident that the process would break down.