Recent reporting, background, and summaries from the environment desk.
National climate policies successfully cut global emissions by an impressive 3.1 gigatons in 2022, demonstrating the tangible impact of governmental initiatives. This significant progress is further bolstered by the UN carbon market's approval of the first Paris Agreement credits, signaling a new era for international carbon trading and climate finance.
The U.S. Environmental Protection Agency has controversially repealed the 2024 Mercury and Air Toxics Standards, allowing coal and oil power plants to emit more harmful pollutants like mercury and soot. This decision, which critics warn will significantly increase public health risks by avoiding critical safety standards, is projected by the EPA to save $670 million, though opponents argue it disregards crucial health benefits.
A devastating avalanche in California's Sierra Nevada has claimed eight lives, marking it as one of the deadliest in the state's history and the worst in the U.S. since 1981. While six individuals were successfully rescued, the search for a ninth missing skier has tragically transitioned to a recovery operation after the incident involving a group of 15 backcountry enthusiasts.
The Trump administration has controversially revoked the 2009 scientific finding that greenhouse gases endanger public health, effectively dismantling the legal basis for all U.S. climate regulations under the Clean Air Act. Described by President Trump as "the single largest deregulatory action in American history," this move faces immediate legal challenges and fierce criticism from environmental and health advocates who warn of dirtier air and increased health costs.
Greenland has declared a state of emergency after orcas were spotted unusually close to fragile ice shelves, a phenomenon scientists link to rapidly warming ocean temperatures and significant environmental shifts. This unprecedented behavior is not only altering marine ecosystems but also threatening vital traditional hunting grounds for local communities.
The U.S. Environmental Protection Agency is poised to reapprove the controversial, drift-prone herbicide dicamba for genetically modified crops, despite its documented history of devastating neighboring farms and repeated federal court rulings against its use. This decision, which critics are calling "MAHA-washing," directly contradicts the EPA's stated health initiatives and overlooks significant environmental and potential human health risks associated with the chemical.
The U.S. EPA has launched a critical soil cleanup at Ohio's East Troy Superfund site, targeting dangerous volatile organic compounds (VOCs) from former industrial operations. Expected to conclude by summer 2026, this vital project aims to protect local health and drinking water from cancer-causing chemicals, supported by President Biden's Bipartisan Infrastructure Law.
Federal courts have decisively overturned all five stop-work orders on major offshore wind projects, clearing the way for developments like Empire Wind and Revolution Wind to power 2.5 million East Coast homes. This significant victory for clean energy comes after judges consistently found the Trump administration's national security claims for halting construction were entirely unjustified.
UC Irvine scientists have uncovered a surprising twist in climate change: it's actually accelerating the breakdown of nitrous oxide (N2O), a powerful greenhouse gas. This unexpected 1.4% per decade decrease in N2O's atmospheric lifetime, observed over two decades, introduces significant uncertainty into future climate projections and necessitates a reevaluation of current climate models.
A massive winter storm has wreaked havoc across the eastern two-thirds of the United States, causing at least seven fatalities and plunging over one million people into darkness. This severe weather event, characterized by heavy snowfall, dangerous ice, and perilously cold temperatures, has significantly disrupted travel and daily life from the Gulf Coast to the Northeast.
World leaders have gathered in Geneva today, January 25, 2026, for an urgent summit to confront the escalating climate crisis, aiming to forge immediate, actionable strategies to significantly reduce global emissions and address the accelerating pace of climate change. These critical discussions are driven by alarming scientific warnings, including record-high atmospheric carbon dioxide levels, and will focus on establishing new international agreements and robust funding mechanisms to support climate adaptation efforts in vulnerable nations.
The United States is currently experiencing one of its most widespread winter storms in years, impacting over 200 million Americans with heavy snow, destructive ice, and dangerously cold temperatures from the Rocky Mountains to the Northeast. This severe weather event, which began on January 23, 2026, and is expected to continue through January 26, threatens widespread power outages due to significant ice accumulation, impassable roads from heavy snowfall, and severe health risks from subzero wind chills.