Sentences with phrase «end of the next century»

John Houghton, chairman of the IPCC's science working group, lends his personal support to the idea of stabilising CO2 in the atmosphere at twice preindustrial values, or around 1.2 trillion tonnes, by the end of the next century.

And fire severity is already increasing in many forests due to climate change — what is now thought of as a drought in some locations may be considered average by the end of the next century.

One recent modeling study focused on this mode of instability estimated that the Antarctic ice sheet has a 1 - in - 20 chance of contributing about 30 centimeters (1.0 feet) to global average sea - level rise over the course of this century and 72 centimeters (2.4 feet) by the end of the next century.

Looking ahead, were solar changes limited to what has been measured in the last fifteen years, future changes in the Sun's total radiation would have only a negligible effect on the temperature increases of 1 to 3 °C that are now projected in IPCC models for the end of the next century.

Hundreds of billions of tonnes of methane and CO2 will be unlocked by the end of next century if emissions continue to rise at current levels, the study published in journal Nature Climate Change said.

One recent modeling study focused on this mode of instability estimated that the Antarctic ice sheet has a 1 - in - 20 chance of contributing about 30 centimeters (1.0 feet) to global average sea - level rise over the course of this century and 72 centimeters (2.4 feet) by the end of the next century.