With the Biden-Harris Ticket, Environmental Justice Is a Focus


Climate change leaders said the choice of Harris signaled that Democrats will try to ensure that communities burdened by pollution would benefit from a transition to clean energy.

Global Warming Could Unlock Carbon From Tropical Soil


Warming soils in the tropics could cause microbes to release carbon dioxide from storage. One scientist called the finding “another example of why we need to worry more.”

E.P.A. to Lift Obama-Era Controls on Methane, a Potent Greenhouse Gas


The reversal is the latest move in the Trump administration’s ongoing effort to weaken environmental rules, but it could be quickly undone after the November election.

Hurricane, Fire, Covid-19: Disasters Expose the Hard Reality of Climate Change


Twin emergencies on two coasts this week — Hurricane Isaias and the Apple Fire — offer a preview of life in a warming world and the steady danger of overlapping disasters.

How 14 Elephant Seals Assisted an Antarctic Ice Study


Mapping currents in the Southern Ocean is vital to monitoring climate change, but hard to conduct. So scientists turned to seals for help.

In Derecho’s Wake, More Than 250,000 in Midwest Struggle Without Power


Residents in Iowa, Illinois and surrounding states were still without electricity days after Monday’s storms brought hurricane-force winds.

Konrad Steffen, Who Sounded Alarm on Greenland Ice, Dies at 68


A renowned researcher on rising sea levels, he died after falling into the kind of crevasse that warming has created. “It looks like climate change actually claimed him as a victim,” a colleague said.

Trump Eliminates Major Methane Rule, Even as Leaks Are Worsening


The weakening of Obama-era efforts to fight climate change amounts to a gift to many oil companies. Researchers warn that the decision ignores science.

Daimler to Settle U.S. Emissions Charges for $2.2 Billion


The agreement is a small fraction of the sum that Volkswagen paid after admitting to emissions cheating in 2015.

The Story Behind Our Story: Extreme Heat and Inequity


Also this week, art and science come together in the Alps and a vice-presidential pick

17 Learning Tools For Your Next Outdoor Excursion


Ever wonder how underwater creatures make light? Or what a Carolina leaf-roller eats? Our list of apps, podcasts and websites will help you figure out what’s going on in the great outdoors.

Concrete, a Centuries-Old Material, Gets a New Recipe


A building block in most construction projects, concrete is responsible for about 8 percent of global carbon emissions. Several companies are working to create a greener mix.

On the Shores of Cape Cod, Where the Oyster Is Their World


Pollution, development and overharvesting have greatly diminished America’s natural oyster habitat. Aquaculture and adaptable farmers have changed the game.

Composting Has Been Scrapped. These New Yorkers Picked Up the Slack.


People like Vivian Lin, who quit her job at an architecture firm to start a composting business, have helped fill the void after the city suspended curbside organic waste collection.

Hurricane Forecast: ‘One of the Most Active Seasons on Record’


Scientists at NOAA updated their prediction for the 2020 hurricane season, and now expect as many as 25 named storms.

It’s Trump Jr. vs. Trump Sr. Over an Alaskan Mineral Mine


The move toward opening the Pebble Mine has surfaced a rare dispute between Donald Trump Jr. and his father’s administration.

When Disasters Overlap


Also this week, how to help a neighbor when it’s hot

Trump Signs Landmark Great American Outdoors Act


The bipartisan Great American Outdoors Act guarantees funding for federal land use efforts. The president claimed credit for Republicans.

Why Hurricanes Bring Tornadoes After They Make Landfall


Tornadoes start in the outer edges of hurricanes. Once a storm is over land, the increase in surface friction can lead to twisters.

BP Reports a Huge Loss and Vows to Increase Renewable Investment


The European oil giant has plans for a future with more electrical generation.