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Two-time WSL Champion John John Florence of Hawaii on Dec. 20, 2020 in Oahu, Hawaii. Tony Heff / World Surf League via Getty Images

By Sally Warner

For the first time, surfing is on the Olympic stage.

The surfing event will last for three days and has to run within the dates from July 25 to August 1. The reason for this window? Not all waves are created equal, and organizers and surfers will wait for the best day full of the best waves to hold the competition.

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Deer at the Warner Wetlands in Oregon on Feb. 22, 2017. Greg Shine, BLM / Flickr, CC BY 4.0

By Jeremy Dertien, Courtney Larson and Sarah Reed

Millions of Americans are traveling this summer as pandemic restrictions wind down. Rental bookings and crowds in national parks show that many people are headed for the great outdoors.

Seeing animals and birds is one of the main draws of spending time in nature. But as researchers who study conservation, wildlife and human impacts on wild places, we believe it's important to know that you can have major effects on wildlife just by being nearby.

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Marc_Osborne / iStock / Getty Images

Making the switch to solar energy can help you lower or even eliminate your monthly electric bills while reducing your carbon footprint. However, before installing a clean energy system in your home, you must first answer an important question: "How many solar panels do I need?"

To accurately calculate the ideal number of solar panels for your home, you'll need a professional assessment. However, you can estimate the size and cost of the system based on your electricity bills, energy needs and available roof space. This article will tell you how.

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Equinor's Hywind Scotland became the world's first floating wind farm in 2017. Øyvind Gravås / Woldcam via Equinor

By Matthew Lackner

Northern California has some of the strongest offshore winds in the U.S., with immense potential to produce clean energy. But it has a problem. Its continental shelf drops off quickly, making building traditional wind turbines directly on the seafloor costly if not impossible.

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Upcycled foods are made from ingredients that would otherwise have ended up in a food waste destination. upcycledfood.org

By Rodney Holcomb and Danielle Bellmer

How would you like to dig into a "recycled" snack? Or take a swig of juice with "reprocessed" ingredients made from other food byproducts? Without the right marketing, these don't sound like the most appetizing options.

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The new material in action. Xampla

By Hom Dhakal

Plastics are very useful materials. They've contributed significant benefits to modern society. But the unprecedented amount of plastics produced over the past few decades has caused serious environmental pollution.

Packaging alone was responsible for 46% out of 340 million tonnes of plastic waste generated globally in 2018. Although plastic recycling has increased significantly in recent years, most plastics used today are single-use, non-recyclable and non-biodegradable.

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Catherine Falls Commercial / Moment / Getty Images

By Adam Uliana

Most people on Earth get fresh water from lakes and rivers. But these account for only 0.007% of the world's water. As the human population has grown, so has demand for fresh water. Now, two out of every three people in the world face severe water scarcity at least one month a year.

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Traffic at the south entrance to Yellowstone National Park on Aug. 20, 2015. Neal Herbert / NPS / Flickr

By Michael Childers

If you're headed out into the wild this summer, you may need to jump online and book a reservation before you go. For the second consecutive year, reservations are required to visit Yosemite, Rocky Mountain and Glacier national parks. Other popular sites, including Maine's Acadia National Park, encourage visitors to buy entrance passes in advance.

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NOAA analysts found that Cape Hatteras, North Carolina has a 16% chance of a direct hit by a hurricane in any given year. A military helicopter flies over the damage path of Hurricane Isabel on Sept. 18, 2003. James P. Reed / Corbis via Getty Images

By Athena Masson

Every coastline in the North Atlantic is vulnerable to tropical storms, but some areas are more susceptible to hurricane destruction than others.

To understand why as the region heads into what's forecast to be another busy hurricane season, let's look more closely at how tropical storms form and what turns them into destructive monsters.

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A red blood moon is caused by sunlight passing through Earth's atmosphere. U.S. Navy / Joshua Valcarcel / Wikimedia Commons

By Shannon Schmoll

The first lunar eclipse of 2021 is going to happen during the early hours of May 26. But this is going to be an especially super lunar event, as it will be a supermoon, a lunar eclipse and a red blood moon all at once. So what does this all mean?

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Fireflies light up a June night in central Maine. Mike Lewinski / CC BY 2.0

By Avalon C.S. Owens and Sara Lewis

Before humans invented fire, the only things that lit up the night were the moon, the stars and bioluminescent creatures – including fireflies. These ambassadors of natural wonder are soft-bodied beetles that emit “cold light," using a biochemical reaction housed in their abdominal lanterns.

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Consumer decisions could play a critical role in dealing with climate change. A study gauging perceptions was published May 13, 2021. FotographiaBasica via Getty Images

By Lucca Henrion, Joe Árvai, Lauren Lutzke and Volker Sick

Would you drink carbonated beverages made with carbon dioxide captured from the smokestack of a factory or power plant?

How would you feel if that captured carbon dioxide were in your child's toys, or in the concrete under your house?

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Dry conditions across the West follow a hot, dry year of record-setting wildfires in 2020. Communities were left with scenes like this, from California's Creek Fire. Amir AghaKouchak / University of California Irvine

By Mojtaba Sadegh, Amir AghaKouchak and John Abatzoglou

Just about every indicator of drought is flashing red across the western U.S. after a dry winter and warm early spring. The snowpack is at less than half of normal in much of the region. Reservoirs are being drawn down, river levels are dropping and soils are drying out.

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