Dinosaurs extinct because of `colossal bad luck`

Dinosaurs may have survived the asteroid strike which wiped them out if it had happened slightly earlier or later in history, a new study has found.

Global warming `not uniform`

Researchers have found that the world is indeed getting warmer, but historical records show that it hasn`t happened everywhere at the same rate.

Cost of keeping global warming in check `relatively modest`: UN panel

IPCC chairperson Rajendra Pachauri has said that the cost of fighting global warming is "relatively modest", but only if the world acts quickly to reverse buildup of heat-trapping gases in the atmosphere.

`Leaked` IPCC report warns of `devastating rise of 4-5 C`

A new leaked report of Intergovernmental Panel on Climate Change ( IPCC) reportedly warns that the temperature could increase by about 4 to 5 degree C, compared with pre-industrial levels, if no action is taken to halt it.

Temperature limit too high to avoid climate change: Study

An internationally agreed target to limit rises in global average temperatures to within 2 degrees Celsius is around double the threshold that would avoid catastrophic climate change.

Stopping CO2 emissions may not help control temperature rise: Study

A new research has revealed that even if carbon dioxide emissions came to a sudden halt, the gas already present in Earth`s atmosphere is enough to warm our planet for next hundreds of years.

Current temperature rise in Arctic highest since past 120,000 years

Experts at the University of Colorado Boulder have found that the standard summer temperatures in the Eastern Canadian Arctic have risen drastically in the last 100 years as compared to any century in the last 44,000 years and perhaps as long ago as 120,000 years.

Temperature rises in lower hills of Himachal Pradesh

People in lower hills of Himachal reeled under sweltering heat as day temperatures rose by few notches despite monsoon remaining normal in some parts of the state.

Secret UN doc predicts 3 degree temp rise

Emission cuts pledged at Copenhagen would put the world on "an unsustainable pathway" toward warming.