Gorkhapatra: Moves around the world to drain marshes and other wetlands to make space for farming could be hastening climate change, scientists gathering in Brazil from Monday will be hearing. Around 700 researchers from around the world are to descend on the central western town of Cuiaba for a four-day conference to discuss ways to preserve wetlands, the UN University, a grouping of scholars, said in a statement. They are concerned that evaporation from warmer global temperatures and …