{"id":445030,"date":"2026-08-27T11:12:11","date_gmt":"2026-08-27T11:12:11","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-ca\/445030\/"},"modified":"2026-08-27T11:12:11","modified_gmt":"2026-08-27T11:12:11","slug":"california-will-track-climate-warming-gases-from-reservoirs","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-ca\/445030\/","title":{"rendered":"California will track climate-warming gases from reservoirs"},"content":{"rendered":"\n<p>California air regulators will start tracking estimates of the gases that bubble up from the state\u2019s  artificial reservoirs and contribute to climate change.<\/p>\n<p>The California Air Resources Board says it will begin reporting how much of the planet-warming gases methane and carbon dioxide are released from dams and reservoirs.<\/p>\n<p>The Air Resources Board adopted the new policy last week in response to a petition by environmental groups. It <a class=\"link\" href=\"https:\/\/ww2.arb.ca.gov\/resources\/documents\/2026-dam-and-reservoir-petition\" target=\"_blank\" rel=\"nofollow noopener\">turned down<\/a> the groups\u2019 request that it <a class=\"link\" href=\"https:\/\/www.latimes.com\/environment\/story\/2026-04-15\/california-reservoirs-methane\" rel=\"nofollow noopener\" target=\"_blank\">require reports<\/a> on emissions from managers of dams and reservoirs but said it will start collecting estimated data using methods recommended by the U.N. Intergovernmental Panel on Climate Change.<\/p>\n<p>Steven Cliff, CARB\u2019s executive officer, said in a 29-page response to the environmental groups that the agency is committed to \u201cfurther study of emissions from dams and reservoirs.\u201d<\/p>\n<p>He noted that research shows reservoirs, when first constructed and filled, release some carbon dioxide as plants decompose underwater. But the gas that\u2019s released in larger quantities is methane, which forms underwater as <a class=\"link\" href=\"https:\/\/www.epa.gov\/air-research\/research-emissions-us-reservoirs\" target=\"_blank\" rel=\"nofollow noopener\">plants and algae<\/a> break down and then bubbles to the surface.<\/p>\n<p>Researchers <a class=\"link\" href=\"https:\/\/www.latimes.com\/environment\/story\/2026-04-15\/california-reservoirs-methane\" rel=\"nofollow noopener\" target=\"_blank\">have estimated<\/a> that the waters held behind the world\u2019s dams emit between 10 million and 22 million metric tons of methane per year \u2014 roughly equivalent to 3% to 7% of all the methane from human activities.<\/p>\n<p>Cliff said in an email that the air board \u201crecognizes the importance of evaluating climate emissions from major sources and investing in advancements in scientific understanding \u2014 particularly at a time when the federal government has turned its back on basic public health protections.\u201d<\/p>\n<p>Last year, the Trump administration <a class=\"link\" href=\"https:\/\/www.cbsnews.com\/news\/greenhouse-gas-emissions-inventory-report-2025\/\" target=\"_blank\" rel=\"nofollow noopener\">stopped reporting<\/a> such data detailing various sources of climate pollution to the United Nations.<\/p>\n<p>Cliff said California air regulators plan to \u201cconsider how best to incorporate this new information into our ongoing work.\u201d<\/p>\n<p>The board is in charge of regulating pollutants that cause global warming. California has set a goal of reducing methane emissions to 40% below 2013 levels by 2030.<\/p>\n<p>\u201cIt\u2019s a really big step forward,\u201d said Gary Wockner, director of the nonprofit Tell the Dam Truth, which submitted the petition with a coalition of groups.<\/p>\n<p>He said California is the first state in the country to start tracking greenhouse gases from reservoirs based on the latest science.<\/p>\n<p>Keiko Mertz, policy director for the group Friends of the River, said it\u2019s good news that California will \u201ctake up the slack in climate reporting that the Trump administration has so mistakenly dropped.\u201d<\/p>\n<p>Data on methane from reservoirs has been a \u201cblind spot\u201d as California works toward its climate goals, she said, and bringing the potent greenhouse gas into the state\u2019s accounting is vital.<\/p>\n<p>She said it\u2019s also positive for rivers because there is \u201cmounting evidence that some dams and reservoirs and water infrastructure do more harm than good.\u201d<\/p>\n<p>The clothing company Patagonia joined the environmental groups in their petition. Ryan Gellert, the company\u2019s chief executive, said the state\u2019s plan to assess the planet-warming gases coming from dams and reservoirs is \u201ca critical step forward in California\u2019s transition to cleaner energy and water infrastructure.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"California air regulators will start tracking estimates of the gases that bubble up from the state\u2019s artificial reservoirs&hellip;\n","protected":false},"author":2,"featured_media":445031,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[7,176339,9458,9,8,443,10796,3291,8073,158836,756,17133,12952,8572,225,176338,646],"class_list":["post-445030","post","type-post","status-publish","format-standard","has-post-thumbnail","category-california","tag-california","tag-california-air-regulator","tag-california-air-resources-board","tag-california-headlines","tag-california-news","tag-climate-change","tag-dam","tag-datum","tag-emission","tag-environmental-group","tag-gas","tag-methane","tag-petition","tag-reservoir","tag-state","tag-steven-cliff","tag-water"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/445030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=445030"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/445030\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/445031"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=445030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=445030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=445030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}