methane

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    Atmospheric CO2 Passes 420 PPM for First Time Ever

    Atmospheric CO2 Passes 420 PPM for First Time Ever

    By Kenny Stancil The concentration of atmospheric carbon dioxide surged past 420 parts per million for the first time in recorded history this past weekend, according to a measurement taken at the Mauna Loa Observatory on the Big Island of Hawaii. When the National Oceanic and Atmospheric Administration (NOAA) research station “began collecting CO2 measurements […]

    Why Is Melting Ice a Big Deal?

    Why Is Melting Ice a Big Deal?

    By Stuart Braun The melting of the polar ice caps has often been portrayed as a tsunami-inducing Armageddon in popular culture. In the 2004 disaster movie The Day After Tomorrow, the warming Gulf Stream and North Atlantic currents cause rapid polar melting. The result is a massive wall of ocean water that swamps New York […]

    Feeding Cows Seaweed Could Reduce Their Contribution to Climate Change

    Feeding Cows Seaweed Could Reduce Their Contribution to Climate Change

    By Ermias Kebreab and Breanna Roque Methane is a short-lived but powerful greenhouse gas and the second-largest contributor to climate change after carbon dioxide. And the majority of human-induced methane emissions comes from livestock. About 70% of agricultural methane comes from enteric fermentation – chemical reactions in the stomachs of cows and other grazing animals […]

    Amazon Rainforest Is Probably Contributing to Climate Crisis, Study Finds

    Amazon Rainforest Is Probably Contributing to Climate Crisis, Study Finds

    The Amazon rainforest likely emits more greenhouse gases than it absorbs, a first-of-its-kind study has found. The study, published in Frontiers in Forests and Global Change on Thursday, is the first to consider emissions other than carbon dioxide, such as methane from floods and cattle, and black carbon from forest-clearing fires. “Cutting the forest is […]

    Biden Admin Sets Interim Obama-Era ‘Social Cost’ Estimates for Greenhouse Pollution

    Biden Admin Sets Interim Obama-Era ‘Social Cost’ Estimates for Greenhouse Pollution

    The Biden administration announced it will use Obama-era calculations of the “social cost” of three greenhouse gas pollutants while an interagency working group calculates a more complete estimate, the White House announced Friday. Often described as “the most important number you’ve never heard of,” the “social cost” of greenhouse gases estimates the harms to society […]

    Clean Energy Transition Could Center on Republican Districts

    Clean Energy Transition Could Center on Republican Districts

    Many congressional districts with the most clean energy potential are current fossil fuel hubs, potentially reducing political barriers to a just transition away from the energy sources that cause climate change, a Brookings report says. Of the 155 congressional districts with high renewable energy potential, 91 are currently represented by a Republican. Although fossil fuel […]

    U.S. Gas Industry Lobbies Against Buildings Going Electric

    U.S. Gas Industry Lobbies Against Buildings Going Electric

    Gas utilities and industry trade groups are fighting across the country to prohibit municipalities from taking steps to cut greenhouse gas pollution from buildings, efforts those utilities and groups view as an existential threat, NPR and the Washington Post report. The American Gas Association, which gets its funding from ratepayers via its member utilities, is […]

    Record Rainfall Linked to Surging Methane Emissions in East Africa

    Record Rainfall Linked to Surging Methane Emissions in East Africa

    Scientists have long warned the public about compound climate events when climate change drivers combine with climate disasters. One occurrence may already be happening in East Africa, a study published Wednesday found. In 2018 and 2019, East Africa experienced unusually wet seasons, provoked by warmer ocean temperatures in the western Indian Ocean and cooler temperatures […]