North & Central America

This archive covers progress stories from North and Central America, spanning the U.S., Canada, Mexico, and the nations of Central America. Readers will find reporting on health, environment, community resilience, and policy advances across the region.

Aerial view of large electrical power plant with many rows of solar photovoltaic panels for producing clean ecological electric energy in morning, for article on zero-carbon power capacity

96% of all new power capacity in the U.S. in 2024 will be carbon-free

Clean energy just crossed a quiet threshold in the United States: 96 percent of new electricity capacity planned for 2024 is zero-carbon, while new natural gas additions have fallen to a 25-year low. The real game-changer is battery storage, which lets solar and wind power flow steadily even when the sun sets or the wind dies down. Utility-scale batteries alone account for 14.3 gigawatts of planned additions this year, dwarfing new gas builds. Tax credits from the 2022 Inflation Reduction Act helped unlock a wave of domestic battery manufacturing, bringing costs down and deployment up. It is a hopeful signal that the long-promised clean grid is finally being built, not just imagined.

Dentist's Hand Taking Saliva Test From Woman's Mouth, for article on handheld saliva test for breast cancer

Hand-held test for breast cancer uses your saliva and gives accurate readings in 5 seconds

A handheld breast cancer screener developed by researchers in the U.S. and Taiwan can detect cancer biomarkers from a single drop of saliva in under five seconds — using a reusable circuit board that costs just $5 and paper test strips priced in pennies. Built on the same glucose-strip technology found in home diabetes kits, the device was designed specifically for clinics and communities where mammograms and MRIs aren’t an option. Lead author Hsiao-Hsuan Wan said the goal was to make screening possible where it simply hasn’t been before. Clinical trials and approvals still lie ahead, but if it gets there, early detection — one of medicine’s most powerful tools against breast cancer — could finally reach the millions of women long left out.

Allegiant Stadium, for article on solar-powered Super Bowl

Super Bowl 58 first to be fully powered by renewable energy

Renewable electricity powered Super Bowl LVIII from end to end, drawing on more than 621,000 solar panels installed across the Nevada desert. Allegiant Stadium runs year-round on solar through a 25-year agreement with NV Energy, so this wasn’t a one-weekend gesture dressed up for the cameras — it’s how the building keeps the lights on every day. The same solar farm produces enough electricity to power around 60,000 homes, easily absorbing the game’s 10-megawatt demand without strain. When the most-watched event in American sports runs smoothly on sunshine, the old worry that renewables can’t be trusted with serious loads gets a lot harder to argue, anywhere in the world.

Aerial view of rolling hills, for article on biodiversity net gain

England brings in biodiversity rules to force builders to compensate for loss of nature

England’s new biodiversity law requires every new construction project — from housing estates to highways — to leave nature at least 10% better off than before. Developers must now either restore habitats on-site or fund equivalent improvements elsewhere, with credits scientifically measured and traceable rather than self-reported. Much of that restoration is expected to happen on farmland, opening a new income stream for farmers who protect wetlands, wildflower meadows, and woodlands. Oxford researchers call the scheme “world-leading in its scope,” and Sweden, Singapore, Scotland, and Wales are already watching closely. If it works, England will have shown that the old trade-off between building and nature isn’t inevitable — and that mandatory nature markets can become a serious tool in the global fight to halt biodiversity loss.

Hands making hear shape over transgender flag in background

More than 90% of trans people are more satisfied with life after transitioning, massive new study finds

Ninety-four percent of transgender people said that they were either a little or a lot more satisfied with their lives since they transitioned, the 2022 U.S. Transgender Survey (USTS) by the National Center for Transgender Equality (NCTE) found. The study, which is the latest edition of the influential survey of transgender people, involved 92,329 transgender and nonbinary respondents answering questions about various aspects of their lives from October 19 to December 5, 2022.

A heat pump unit on a home exterior, representing U.S. heat pump sales growth supported by the Kigali Amendment

Nine U.S. states, including California and New York, sign heat pump agreement to clean up air pollution

Nine U.S. states have inked an agreement to promote climate-friendly heat pump sales. The memorandum of understanding sets a 2030 target for heat pumps to make up 65% of residential heating, cooling, and water heating equipment sales. By 2040, the goal is for heat pumps to account for 90% of the HVAC and water heating market. The states on board with the agreement include: California, Colorado, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, and Rhode Island.

California coast, for article on Indigenous Marine Stewardship Area

First ever U.S. Indigenous Marine Stewardship Area declared in California

Indigenous marine stewardship just took a historic leap: three sovereign tribal nations along California’s northern coast have declared nearly 700 square miles of ocean and coastline under their own protection — the first Indigenous Marine Stewardship Area in U.S. history. The Tolowa Dee-ni’ Nation, the Resighini Tribe, and the Cher-Ae Heights Indian Community didn’t ask permission. They drew on their own authority to safeguard kelp forests, estuaries, salmon, and the surf smelt that Jaytuk Steinruck describes in songs going back forever. Their work alone covers 13% of California’s goal to protect 30% of its lands and waters by 2030. It’s a powerful reminder that the people who’ve stewarded these places for millennia are still leading the way home.

Desert landscape at sunset, for article on Mexico protected areas

Mexico announces 20 new protected areas covering more than 5 million acres of land

Mexico’s protected areas just expanded by 2.3 million hectares — roughly 5.7 million acres — with 20 new designations spanning 12 states and two coastal zones. The largest, Bajos del Norte national park in the Gulf of Mexico, safeguards grouper spawning grounds, hawksbill turtles, and the livelihoods of more than 3,000 fishing families along the Yucatán coast. Inland, the new Sierra Tecuani biosphere reserve formalizes jaguar habitat that Indigenous ejido communities in Guerrero have quietly tracked and tended for over a decade. Other sites shelter whale sharks, Pacific sea turtle nesting beaches, and the burrowing Mexican prairie dog. The most hopeful thread here isn’t the decree itself — it’s the recognition that lasting conservation tends to grow from the communities already doing the work.