Heat wave 2021: Dangerous temperatures, drought impact western US

A dangerous heat wave continues to impact the western United States, placing much of the region in jeopardy of breaking more records.

Summer solstice 2021: Why it’s the start of season, longest day of year

The first day of summer is on Sunday, June 20. But what is the summer solstice, why is it the longest day of the year and how is it celebrated? Here are some facts about the significant day.

Rope tornado stretches across sky in Canada

Footage filmed by Neil and Danae Serfas on June 15 showed the tornado whipping up a massive cloud of dust and dirt on farmland in D’Arcy, Saskatchewan.

Research finds links between air quality and COVID vulnerability: UCLA

Long-term exposure to poor air quality increased the risk of COVID-19 throughout the country last year, according to research announced Wednesday from a UCLA-led team.

UN: World must tackle climate change, extinction crisis together

A new United Nations report says the world needs to tackle the climate change and extinction crises together, not separately.

Local lockdowns brought fast global ozone reductions: NASA

As a result of the lower NOx emissions, by June 2020, global ozone levels had dropped to a level that policymakers thought would take at least 15 years to reach by conventional means, such as regulations.

'It stinks': Heat wave emphasizes poor Delaware Valley air quality

The Delaware Valley heat wave emphasized what many residents already know, which is the air quality across Philadelphia and Delaware County is rated poorly.

Carbon dioxide in atmosphere 50% higher than dawn of industrial age

Scientists say the annual peak of global heat-trapping carbon dioxide in the air has reached another dangerous milestone: 50% higher than when the industrial age began.

Cruises from Venice restart, bringing environmental protests

The voyage heralded the return of cruise ships to Venice but reignited an anti-cruise movement that opposes the passage of the enormous ships through the fragile lagoon.

Biden admin to suspend oil, gas leases in Alaska’s Arctic National Wildlife Refuge

The Biden administration is suspending oil and gas leases in Alaska’s Arctic National Wildlife Refuge as it reviews the environmental impacts of drilling in the remote region.

Milkweed planted in California to help monarch butterflies

Milkweed plants are seen as critical because the orange-and-black butterflies lay their eggs on them. Their caterpillars also eat them.