Spewing summit The Copenhagen summit will generate more carbon emissions than any previous climate conference, equivalent to the annual output by 2,300 Americans or 660,000 Ethiopians. Delegates, journalists, activists and observers from almost 200 countries have gathered at the December 7-18 summit and their travel and work will create 46,200 tonnes of CO2, most of it from their flights to Copenhagen. This would fill nearly 10,000 Olympic swimming pools. The calculation includes...

Climate change is forcing humans and tigers in the Sunderbans delta of eastern India into closer contact - and attacks on people are on the rise. The BBC's Chris Morris reports. They are magnificent, but deadly. Rarely seen, hidden in the jungles. But now the Royal Bengal tigers which roam through the vast mangrove forests at the mouth of the river Ganges are coming into closer contact, and conflict, with humans....

Governments and people have to make choices about accepting new scientific developments into their daily lives. Many attribute high levels of objectivity and integrity to scientists, which is not true of many of them. Scientists have been known to manipulate results to their advantage. Scientific issues are often complex, there are differing views among scientists and the layman finds it difficult to decide which scientific course is harmful or beneficial....

"Draft treaty can be used as a starting point for further talks" Copenhagen: With climate change talks set to enter the crucial second stage here, India on Sunday rejected points in the draft treaty that wants all countries to cut emissions, agree to a peaking year and subject their mitigation actions to international scrutiny. With the official draft treaty circulated on Friday creating clear divisions among 194 countries, Environment Minister Jairam Ramesh...

In energy infrastructure alone, the transformational ambitions the Copenhagen meet is expected to set will cost more than $10 trillion in additional investment.  If negotiators reach an accord at the climate talks in Copenhagen it will entail profound shifts in energy production, dislocations in how and where people live, sweeping changes in agriculture and forestry and the creation of complex new markets in global warming pollution credits. So what is...