Sentences with phrase «global average temperatures increase less»

Not exact matches

From the abstract: «Despite ongoing increases in atmospheric greenhouse gases, the Earth's global average surface air temperature has remained more or less steady since 2001.»

Model projections for precipitation changes are less certain than those for temperature.12, 2 Under a higher emissions scenario (A2), global climate models (GCMs) project average winter and spring precipitation by late this century (2071 - 2099) to increase 10 % to 20 % relative to 1971 - 2000, while changes in summer and fall are not expected to be larger than natural variations.

For increases in global average temperature of less than 1 to 3 °C above 1980 - 1999 levels, some impacts are projected to produce market benefits in some places and sectors while, at the same time, imposing costs in other places and sectors.

Even before this Hansen and his colleagues at NASA's Goddard Institute argued that due to positive feedbacks and climatic tipping points global average temperature increases had to be kept to less than 1 °C below 2000 levels.

The IPCC has a confidence level > 90 % that less than 50 % of the observed increase in global average temperatures since the mid-20th century is the result of non-anthropogenic external forcings and internal natural variability within the climate system.

In order to avoid the most devastating impacts of global warming, climate scientists have warned that emissions of carbon dioxide and other greenhouse gases need to be cut in order to keep the increase in average global temperature to less than 3.6 degrees Fahrenheit (2 degrees Celsius).

Climatologist Dr. Pielke Sr. rips RealClimate.org's claims: «It is straightforward to shed doubt on Gavin Schmidt's (and the IPCC) claim» — «If the increase in anthropogenic greenhouse gas concentration were so dominate we would expect the global average [annual] lower troposphere temperature to more - or less monotonically continue to rise in the last decade or so.

The slowdown or «hiatus» in warming refers to the period since 2001, when despite ongoing increases in atmospheric greenhouse gases, Earth's global average surface air temperature has remained more or less steady, warming by only around 0.1 C.

Are they causing 50 %, or «Most of the observed increase in global average temperatures» or a lesser percentage.

The temperatures are likely to increase more than global average in high latitudes, and less in low.

This summary for policymakers of the International Panel on Climate Change Working Group III analitycal report outlines technological and behavioral changes that can limit the increase in global average temperatures to less than two degrees Celsius, the point at which science shows that climate impacts begin to overwhelm human coping efforts.

Its greenhouse - amplifying effect is built into the supercomputer climate models, and their predicted average global temperature increase would be substantially less without it.

H0: Less than half of the observed increase in global average temperatures since the mid-20th century is due to the observed increase in anthropogenic greenhouse gas concentrations.

They are discouraged by UN officials» pre-conference resignation that the likely agreement will not keep emissions below the 2 - degree average global temperature increase that scientists say is a critical point (much less the 1.5 - degree limit that countries in the most vulnerable situations, especially small islands, have demanded).

If we are able to reduce the global average yearly temperature to a single value, a value that is accurate to + / -.1 degree C, over a period of 150 years and that indicates an increase of somewhat less than a degree C, what does that mean?