Sentences with phrase «polar ice caps over»

Not exact matches

Soot has already been implicated in the melting of the polar ice caps, and heating of the atmosphere over India was directly measured in 2007 by Veerabhadran Ramanathan of the Scripps Institution of Oceanography at the University of California, San Diego, and his colleagues.

Larger sails can thrust against Earth's gravity and not even be in orbit around the Earth, and a pole sitter could sit continuously over Earth's poles and can provide continuous data on the polar ice caps.

«According to a 1972 article in the Christian Science Monitor, Belchen asserted that «a general warming trend over the North Pole is melting the polar ice cap and may produce an ice - free Arctic Ocean by the year 2000 ″»

Over all, open water has spread in the Arctic this summer nearly as much as it did last summer, when polar experts said the ice cap shrank far more than had been measured since satellites started scanning the region 30 years ago — and probably more than it had shrunk in a century or more.

The rise of CO2 from 270ppm to now over 400ppm, the extent of equatorial and sub tropical deforestation, the soot deposits on the polar ice caps, the increase in atmospheric water vapour due to a corresponding increase in ocean temps and changes in ocean currents, the extreme ice albedo currently happening in the arctic etc, etc are all conspiring in tandem to alter the climate as we know it.

He also said over five years ago that in five years the polar ice cap would be gone, GONE!

There are contexts in which the statement would be true: what will happen to the polar ice caps, crop land, deserts, etc., as a result of global warming over time.

Given evolution over the past 500 million years when virtually all modern emerged and radiated largely occurred while the planet had no polar ice caps and atmospheric CO2 up to ten times current level, and the planet was green from pole to pole, and life did so well it was able to sequester huge amounts of energy in fossil fuel beds.

The source document, the Intergovernmental Panel on Climate Change (IPCC) 2007 Fourth Assessment Report (AR4), has been under harsh scrutiny over the past weeks for a number of blunders, including the Climategate scandal, bogus claims about Himalayan glacier melt, false assertions The Netherlands are drowning, deceptive hysteria over conditions in the Amazon, exaggerations of vanishing polar ice caps, and fraudulent cover - up of Chinese temperature data.

NEW evidence has cast doubt on claims that the world's ice - caps are melting, it emerged last night. Satellite data shows that concerns over the levels of sea ice may have been premature. It was feared that the polar caps were vanishing because of the effects of global warming. But figures from the respected US National -LSB-...]

The strongest evidence in support of climate change is the melting of the polar ice caps, Langcake acknowledges, noting the temperature in Antarctica rose by 2.5 degrees centigrade between 1945 and 1995 and a Norwegian study supporting the idea of a rapidly accelerating melt at both poles, but claims this theory may not be borne out over a longer period.

The northern polar ice - cap has oscillated in size over the last 2 million years (the glacial - interglacial cycles of the Pleistocene Epoch).