Deep and immediate cuts in CO₂ emissions are needed to stall ocean acidification and prevent mass extinction of marine species, food insecurity and serious damage to the world economy, according to a report released at the Copenhagen Climate Summit.

Fraenkel believes power from tidal streams could eventually contribute up to 12% of the UK's present-day electricity needs, but that a significant increase in government subsidies is needed to encourage development.

Next month, he'll be embarking on a tour of the country that will take him to Shanghai and Beijing, where he'll be addressing students at high schools, universities and international schools in China's most important cities.

SEOUL - South Korea said on Wednesday it will spend 111.5 trillion won (US$103 billion) through 2030 in developing new renewable energy, in an effort to cut its reliance on fossil fuels and reduce carbon dioxide (CO2) emissions.

A "plastic soup" of waste floating in the Pacific Ocean is growing at an alarming rate and now covers an area twice the size of the continental United States, scientists have said

It is the increasingly rapid melting of the Arctic sea ice which is opening up the possibility of the once frozen wasteland providing a natural resources and minerals bonanza

This used to be a dangerous island, populated by bears, lynxes and other animals which have since disappeared. Now a Scottish landowner is setting up a nature reserve to bring them back - but not everyone is happy

"green sheen" by investing nearly £1.5bn to extract oil from the Canadian wilderness using methods which environmentalists say are part of the "biggest global warming crime" in history.

The world eats more than it produces currently, and over the last five or six years that is reflected in the decline in stocks and storage levels. That cannot go on, and exhaustion of stocks

We plan to build four or five plants in the next 48 months to produce ethanol, which we'll sell to anyone who wants it," said Vincent Chornet, the company's chief executive officer.