Farmers want a special deal in global climate negotiations to make sure they are not saddled with excessive costs for curbing Greenhouse gas emissions, the head of the world's leading farming lobby said on Tuesday.

Burning 1 tonne of wheat or paddy stubble releases 3 kg of particulate matter, 60 kg of carbon monoxide, 1,460 kg of carbon dioxide, 199 kg of ash and 2 kg of sulphur dioxide.

Adding electricity from the wind and the sun could increase the frequency of blackouts and reduce the reliability of the nation

A rock found mostly in Oman can be harnessed to soak up the main greenhouse gas carbon dioxide at a rate that could help slow global warming, scientists say.

When carbon dioxide comes in contact with the rock, peridotite, the gas is converted into solid minerals such as calcite.

Chinese Premier Wen Jiabao said rich nations must abandon their "unsustainable lifestyle" to fight climate change and expand help to poor nations bearing the brunt of worsening droughts and rising sea levels.

Wen told the opening of a conference on Friday the financial crisis was no reason for rich nations to delay fighting global warming.

Concerted action towards an imminent large-scale greening of the economy

Parikshit Shrivastava

Why a verdant New Deal would be a bad deal
Two pressing problems face the world: economic meltdown and global warming. Conveniently, a solution presents itself that apparently solves both: governments should invest heavily in green technology, thus boosting demand while transforming the energy business.

China is seeking to seize the initiative in talks on cutting the world's greenhouse gas pollution, pressing rich nations even as global financial turmoil and Barack Obama's victory recast climate change diplomacy.