... to a given carbon dioxide emissions scenario because of the complex interactions between human emissions, carbon sinks, atmospheric concentrations and temperature change. Matthews and colleagues show ...
... per cent above 1990 levels with emissions continuing to track close to the worst-case ... important role in buffering the impact of rising emissions from human activity, have not been able to keep pace ...
... atmosphere have been moderated by a finely-tuned natural feedback system -- a system that human emissions have recently overwhelmed. Scientists have now linked the pre-human stability to connections ...
... about climate change anymore. Besides loading the atmosphere with heat-trapping greenhouse gases, human emissions of carbon dioxide have also begun to alter the chemistry of the ocean—often called ...
... at the same time, means that it promises one of the most realistic pictures to date of how ecosystems in the UK may react to the environmental changes caused by human emissions of greenhouse gases."
... has been significantly affected by the planet's magnetic field, according to a Danish study published Monday that could challenge the notion that human emissions are responsible for global warming.
... a possibly necessary response to the prospect of devastating climate change caused by increased human emission of greenhouse gases. Others see it as reckless tinkering with the planet's complex and ...
... the planet from freezing over," says Caldeira.
Could plants save us from rising carbon dioxide from human emissions and harmful greenhouse warming? No, says Caldeira. "We are releasing CO2 to the ...
... we're in another cycle of glacial retreat," Shilts said. "Whether that cycle is primarily driven by human emissions of carbon dioxide in the atmosphere creating a warming trend, or whether it's driven ...
... sunlight. After all, clouds already reflect more of
the sun's radiation back into space than the amount trapped by
human emissions of carbon dioxide. So why not make them even more
effective?
[More]
... have human or natural origins.
"You get a much more accurate picture of how human emissions are impacting the climate -- and how policy makers might effectively counteract climate change -- if you ...
