This article is part of a series of sustainability-themed articles we're running to observe Earth Day 2025 and promote more sustainable practices. Check out all of our Sustainability Week 2025 content ...

Our mission is to deliver unbiased, fact-based reporting that holds power to account and exposes the truth. Whether $5 or $50, every contribution counts. Sweden may seem an unlikely location for a ...

Every two years, engineering students from across the U.S. compete in the American Solar Challenge, where around 10 schools cobble together a car designed to go as far as possible, powered exclusively ...

Engineers built a solar-powered desalination system that produces large quantities of clean water despite variations in sunlight throughout the day. Because it requires no extra batteries, it offers a ...