Tommy
Well-known member
Not true. Ice displaces it weight in water, but not it's volume, since ice has less density. Melting the artic icecap WILL raise sea levels. This is already happening.The ice displaces water, and if it melts, there will actually be no net increase in sea levels.
Also, a warmer planet hastens evaporation, resulting in lower levels in freshwater lakes and rivers, as well as the water table, that are above sea level, causing water shortages that affect drinking water supplies and adversely affect agriculture on a global scale.
While burning bio fuels may release as much CO2 as burning fossil fuels, the net effect is very different. Bio fuels are made from carbon that is in circulation in the atmosphere or the surface of the Earth. Fossil fuels contain carbon that has been stored inside the Earth, not in circulation. Burning fossil fuels increases the free carbon in the biosphere, burning bio fuels does not.Now, (m)ethanol is most useful as a fuel, but when burning it, the CO2 will enter the atmosphere again(**). This isn't necessarily bad, as we need a good alternative for gasoline, but it doesn't reduce the amount of CO2 in the end.
Most wild animals know better than to defecate where they live. When will humans learn to do as much?