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On November 18, the more than 33 million residents of New Delhi, India, woke up to an ugly surprise. The city was covered in smog. It’s a kind of air pollution that creates a thick, toxic fog. In some parts…
Carlsbad Caverns National Park is a system of caves in New Mexico. Its ecosystem was threatened recently when a visitor dropped a bag of Cheetos there. Food and drink are prohibited in the caves. A spilled snack might seem harmless,…
People in the United States, the United Kingdom, Spain, and other countries were treated to a colorful display in the sky this weekend. These displays, called auroras, are typically seen only near the Earth’s north and south poles. Thanks to…
Charlotte Liebling considers herself a “world watcher”—someone who carefully observes the world around her. Here’s an example: When she was in college, Liebling volunteered at a store that sold secondhand goods. She observed people bringing in items to donate, including…
The Environmental Protection Agency (EPA) plans to update rules that would reduce lead in drinking water. The agency says it will require utility companies to replace old lead water pipes. The current rules are decades old. They have failed…
Thousands of protesters took to the streets of New York City on September 17. They had a message for President Joe Biden: It’s time for the United States to move away from oil and gas. “We hold the power of…
A drone display brightens the night sky outside the United Nations headquarters, in New York City, on September 15. It was set up by protesters trying to raise …
Sixteen young people are suing the state of Montana. They say its support for fossil fuels such as coal, oil, and gas is driving climate change and ruining the environment. Held v. Montana is not the first youth climate case…
In January, an Arizona desert community found itself in a nightmare situation: The water was cut off. Rio Verde Foothills is made up of about 2,000 homes. For years, many in the community have relied on water trucked in from…
Thick smoke rises from Mount Merapi, in Indonesia. The country has more than 120 active volcanoes, and Merapi is the most active. The March 11 eruption blankete…