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  • Researchers establish long-sought source of ocean methane

    An abundant enzyme in marine microbes may be responsible for production of the greenhouse gas.  Industrial and agricultural activities produce large amounts of methane, a greenhouse gas that contributes to global warming. Many bacteria also produce methane as a byproduct of their metabolism. Some of this naturally released methane comes from the ocean, a phenomenon that has long puzzled scientists because there are no known methane-producing organisms living near the ocean’s surface.

    >> Read the Full Article
  • Transportation Replaces Power in U.S. as Top Source of CO2 Emissions

    Power plants have been the biggest source of greenhouse gas emissions in the United States for more than 40 years. But according to new data from the U.S. Energy Information Administration, transportation has now claimed the top spot.

    >> Read the Full Article
  • New screening technique will allow crop breeders to develop drought resistant varieties faster

    Chithra Karunakaran and Karen Tanino’s team developed a simple non-destructive method to screen hundreds of wheat leaf samples in a day, reducing the time and cost associated with traditional breeding programs to select varieties for drought tolerance. Their findings were published in the November issue of Physiologia Plantarum.

    “Developing these types of tools better enables physiologists to complement breeding programs,” said Tanino, a professor of plant sciences at the University of Saskatchewan.

    >> Read the Full Article
  • Quantifying the Greenhouse Gas Footprint of Crop Cultivation

    "Climate-smart” crop cultivation, characterized by a low greenhouse gas (GHG) footprint, low synthetic nitrogen consumption, and simultaneously high yields (Figure 1), is an approach in agriculture for implementing the Paris Agreement as part of mitigating climate change. The GHG footprint is an index used to indicate the climate change impact potential exerted by crop production. It is therefore crucial to accurately quantify the GHG footprints of crop cultivation systems. However, severe problems or drawbacks in the quantification of GHG footprints still exist, which has limited the applicability of the GHG footprint in crop cultivation.

    >> Read the Full Article
  • Clean Energy: Experts Outline How Governments Can Successfully Invest Before It's Too Late

    Governments need to give technical experts more autonomy and hold their nerve to provide more long-term stability when investing in clean energy, argue researchers in climate change and innovation policy in a new paper published today.

    >> Read the Full Article
  • Researchers Model Optimal Amount of Rainfall for Plants

    Researchers have determined what could be considered a “Goldilocks” climate for rainfall use by plants: not too wet and not too dry. 

    >> Read the Full Article
  • Freezing trees, finding answers

    Researchers study impact of ice storms, climate change

    >> Read the Full Article
  • More-severe climate model predictions could be the most accurate: study

    The climate models that project greater amounts of warming this century are the ones that best align with observations of the current climate, according to a new paper from Carnegie’s Patrick Brown and Ken Caldeira published by Nature.  Their findings suggest that the models used by the Intergovernmental Panel on Climate Change, on average, may be underestimating future warming.

    Climate model simulations are used to predict how much warming should be expected for any given increase in the atmospheric concentration of carbon dioxide and other greenhouse gases.

    >> Read the Full Article
  • NASA Gets a Final Look at Tropical Cyclone Ockhi's Rainfall

    Tropical Cyclone Ockhi is quickly weakening in the Arabian Sea and is expected to dissipate on Dec. 6 when it makes landfall in northwestern India. The Global Precipitation Measurement mission or GPM core satellite passed over Ockhi and looked at its rainfall as wind shear was affecting the storm.  

    >> Read the Full Article
  • Beyond Wind Speed: A New Measure for Predicting Hurricane Impacts

    Six major hurricanes that engulfed the Atlantic Basin in 2017 were a devastating reminder of the vulnerability of coastal communities, where more than half the U.S. population resides.

    >> Read the Full Article

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