• 永久冻土的融化无逆转可能

    14-03-25 The climate is warming in the arctic at twice the rate of the rest of the globe creating a longer growing season and increased plant growth, which captures atmospheric carbon, and thawing(融化) permafrost, which releases carbon into the atmosphere...

  • 本世纪地球气候将持续变暖

    14-03-13 A new NASA study shows Earth's climate likely will continue to warm during this century on track with previous estimates, despite the recent slowdown in the rate of global warming. This research hinges on a new and more detailed calculation of the s...

  • 通过实验提高植物的光合效率

    14-03-06 Teaching crop plants to concentrate carbon dioxide in their leaves could increase photosynthetic(光合作用的) efficiency by 60 percent and yields by as much as 40 percent, researchers report in a new study. The team used a computer model to simulat...

  • 热带碳循环对温度的敏感度加倍

    14-01-27 The tropical carbon cycle has become twice as sensitive to temperature variations over the past 50 years, new research has revealed. The research shows that a one degree rise in tropical temperature leads to around two billion extra tonnes of carbon...

  • 奥巴马讲话 新的一年为中产阶级创造更多机会

    14-01-25 Hi, everybody. This week, I visited a company in Raleigh, North Carolina that helps make electric motors that save businesses money on energy costs and cut harmful carbon pollution. And I stopped by N.C. State University, where engineers are set to...

  • 铅笔与办公纸可用作变形测量仪

    14-01-24 Sometimes solving a problem doesn't require a high-tech solution. Sometimes, you have to look no farther than your desktop. Three students from Northwestern University's McCormick School of Engineering -- an undergraduate, a master's student, and th...

  • 原始森林使地球CO2与气候保持稳定

    14-01-24 UK researchers have identified a biological mechanism that could explain how the Earth's atmospheric carbon dioxide and climate were stabilised over the past 24 million years. When CO2 levels became too low for plants to grow properly, forests appea...

  • 欧盟公布2030年气候目标

    14-01-23 The European Commission has outlined its plans for climate and energy policy until 2030. 欧盟委员会公布了2030年前的气候计划、能源政策。 The Commissioners want a binding target to reduce carbon emissions by 40% from 1990 levels. Renewables will need...

  • 电子胡须

    14-01-23 From the world of nanotechnology we've gotten electronic skin, or e-skin, and electronic eye implants or e-eyes. Now we're on the verge of electronic whiskers(胡须) . Researchers with Berkeley Lab and the University of California (UC) Berkeley hav...

  • 碳纳米管可制作理想的防火涂层

    14-01-16 Using an approach akin to assembling a club sandwich at the nanoscale, National Institute of Standards and Technology (NIST) researchers have succeeded in crafting a uniform, multi-walled carbon-nanotube-based coating that greatly reduces the flamma...