The New Climate

The Trump administration is sharply scaling back federal fuel economy requirements for new cars, loosening standards that pushed automakers toward more efficient vehicles. The move is expected to lower compliance costs for manufacturers but draw criticism from environmental groups and states that back stricter emissions rules. It marks one of the most significant reversals of climate-related vehicle policy in recent years.

US Supreme Court Justice Samuel Alito has recused himself from a major climate-change case just days before it was set to be heard, the New York Times reports. The timing, so close to arguments in one of the most consequential environmental cases on the docket, is drawing attention and questions about what prompted the withdrawal and how it might affect the court's balance on climate-related rulings.

Corporations frequently defend their fossil fuel emissions as insignificant compared to the global total, a framing critics call misleading. A new Guardian piece examines what the true cost of those emissions would be if their full environmental and economic impact on the oceans were properly counted, challenging the industry's 'drop in the ocean' argument and reigniting debate over corporate accountability for climate damage.

New reporting from researchers, including work covered by the Natural History Museum and Phys.org, suggests shifting climate conditions could change the risks humans face from deadly rodent-borne diseases. Changes in temperature and rainfall may alter rodent habitats and populations, potentially bringing infected animals into closer contact with people and expanding where diseases like hantavirus and Lassa fever pose a threat.

UNESCO has unveiled its ONE OCEAN installation during the UN General Assembly in New York. The installation forms part of the organization's ongoing ocean advocacy, timed to coincide with the annual gathering of world leaders where marine protection and climate issues are on the agenda.

A new analysis argues that diversifying staple crops toward millets would strengthen food security, improve nutrition, and support sustainability across the Global South. Millets are hardy, climate-resilient grains that require less water than rice or wheat, making them attractive amid climate pressures and import dependence. The piece calls for policy support, research investment, and consumer awareness to bring millets back into mainstream diets across developing countries.

A new poll shows bipartisan support among American voters for reducing air pollution and expanding clean energy. The findings, highlighted by Environment America, suggest that concern about air quality and interest in renewable power cross party lines, with majorities of Republicans, Democrats and independents reportedly backing action on both fronts despite political divisions on climate policy more broadly.

New research warns that global sea-level rise will create a new biological invasion front, as advancing saltwater allows non-native marine and coastal species to move into previously inaccessible habitats. Scientists say shifting shorelines could let invasive species establish in estuaries, wetlands and low-lying areas, with consequences for native biodiversity and coastal ecosystems. The finding adds to concerns about how climate change reshapes species distributions worldwide.

A new colloquium from the American Physical Society reviews the scientific legacy of Syukuro Manabe, whose pioneering computer simulations laid the foundation for modern understanding of global warming. The review highlights how his early climate models established the link between rising carbon dioxide and planetary temperature, work that earned him the Nobel Prize in Physics and continues to shape climate research.

Denmark's Permanent Representative to the United Nations delivered an address during the general debate of the 81st session of the UN General Assembly in New York. The statement formed part of Denmark's annual intervention, where member states outline their positions on international peace and security, climate policy and multilateral cooperation before the global body.

A second federal court has ruled against New York's Climate Change Superfund Act, the law requiring large fossil fuel companies to pay into a fund covering climate adaptation costs. The decision deepens the legal uncertainty around the statute, which had already faced a earlier federal court challenge, and raises questions about whether states can hold energy producers financially liable for past emissions.

Yale School of the Environment published five key takeaways from its experts following Climate Week in New York City. The roundup distills what environmental scholars saw as the most significant themes and outcomes from the annual gathering, which brings together governments, businesses and advocates on climate action.

A new study warns of a hidden climate risk beneath East Antarctica, a region long viewed as relatively stable. The ice sheet there holds enough ice to raise global sea levels by three to four metres, and researchers are calling for urgent investigation into how vulnerable it may be to warming. The findings are drawing attention because East Antarctica, unlike its western counterpart, has largely been left out of worst-case sea level projections.

New analysis from the Centre for Research on Energy and Clean Air finds EU carbon dioxide emissions dropped 2% in the first half of 2026. The rate is just under half the pace needed to meet the bloc's 2030 climate target, prompting concern among climate observers that Europe's emissions cuts remain too slow despite ongoing decarbonisation efforts.

The US National Science Foundation is funding a research collaboration led by the University of California, Berkeley to sequence the genomes of Antarctic organisms. The project aims to document the genetic makeup of life in one of Earth's most extreme environments, with potential insights into how species adapt to cold and climate change. Details on funding size and partner institutions were not provided.

New research suggests climate change could significantly alter the future of Chinese milk vetch, a legume widely grown as green manure in southern China's rice paddies. Shifting temperatures and rainfall patterns may affect where and how well the plant grows, with implications for soil fertility and sustainable rice farming in the region.

Environmental and public health organizations have filed a lawsuit against the Environmental Protection Agency challenging its rollback of regulations on power plant emissions. The groups argue the rollback weakens protections against air pollution and threatens public health. Coverage from regional outlets highlights the legal fight as a new front in the ongoing battle over the future of US climate and pollution policy.

A Dutch group has filed the first climate-related complaint against New Zealand under the European Union's trade agreement with the country, using sustainability provisions in the deal to challenge its environmental record. The move marks the first time the mechanism has been invoked since the agreement took effect, and it raises questions about whether trade deals can be used to hold partner governments to their climate commitments.

The Pan American Health Organization has published the indicator descriptors for the Caribbean Action Plan on Health and Climate Change 2026–2031, a regional framework guiding Caribbean countries in tracking how climate change affects health. The document sets measurable indicators to help governments monitor and report progress on climate and health priorities over the five-year period.

The Pinelands in Burlington County, New Jersey, will be the focus of a new climate change study. The research is expected to examine how the region's unique pine barrens ecosystem is being affected by shifting climate conditions. Local officials and environmental advocates are watching closely, as the Pinelands is a protected area of ecological significance in the state.

New Yorkers are increasingly installing rain gardens, planted depressions that absorb stormwater, as a defense against worsening street flooding during intense rainstorms. The gardens capture runoff before it overwhelms the city's drains, and residents and neighborhood groups are adopting them alongside city efforts to expand green infrastructure to cope with heavier rainfall linked to climate change.

Writer Tim Smedley examines whether China is positioned to take over global climate leadership. The piece argues that with the United States stepping back from climate commitments, China's dominance in clean energy manufacturing, electric vehicles and solar power could make it the world's de facto climate leader, raising questions about geopolitics and the future of international climate cooperation.

The Savannah Morning News has introduced Stephanie Castellano as its new climate change reporter. The announcement signals the outlet's commitment to covering environmental issues affecting coastal Georgia, a region vulnerable to sea-level rise, hurricanes, and flooding. Readers are being invited to follow her upcoming coverage of local climate impacts and policy.

The Permanent Representative of Antigua and Barbuda delivered an address as part of the general debate of the 81st session of the United Nations General Assembly in New York. Small island states traditionally use this podium to press priorities such as climate change, debt relief and maritime rights, but no details of the speech were given in the available coverage.