There is more carbon dioxide in the atmosphere today than at any point during the last 650,000 years, says a major new study that let scientists peer back in time at "greenhouse gases" that can help fuel global warming
Poland has been a transit territory to armies of many nations for centuries. Today, Poland is on the fault line again
Copyright © 1999-2018, «PRAVDA.Ru».
When reproducing our materials in whole or in part, hyperlink to PRAVDA.Ru should be made. The opinions and views of the authors do not always coincide with the point of view of PRAVDA.Ru's editors.