Sentences with phrase «present ozone hole»

In fact the average concentration of ozone is everywhere lower than the value that used to define the present ozone hole.

Not exact matches

Everything that has happened since then, including the greenhouse effect and the hole in the ozone layer, makes it clear that a future world could not sustain a population of even the present number at a higher level of industrial development without reaching environmental limits.

Bhartia claims that the two groups (Farmans and his) were working independently without knowledge of each other, as if, had Farman not published, he, Bhartia, would have been able to present his paper on what would have been his discovery of the ozone hole in Prague.

Present - Day Sucker: Hey, whatever happened to that ozone hole thing?

This accessible book presents in clear, jargon - free language the science of global change, including human - induced climate change, the ozone hole, acid rain, and air pollution.

For example, chapter ten, «Ice melts, sea level rises,» discusses the disappearance of tropical mountain glaciers, estimates of sea level rise in the present century, estimates of its costs — the EPA estimated in 1991 that a one - meter rise would cost the US alone between $ 270 billion and $ 475 billion — evidence of past oceanic high - water marks and glacial extents, the dynamics of ice sheet disintegration, the thermal expansion of seawater, icequakes and meltponds, ice mass loss and gain in Greenland and Antarctica, the ozone hole, and the existence and significance of «marine ice sheets.»