United States of America Tendances

Discover how weather impacts your mood and work performance. Learn the psychological and physiological effects of sun, rain, temperature, and seasonal shifts.

Know the Best Time to Be Outside Based on the UV Index, the UV index tells you how strong the sun’s rays are — and when it’s safest to be outside. Low levels (0–2) are great for outdoor fun with little protection. Moderate (3–5) and high (6–7) levels call for sunscreen, hats, and shade. Very high (8–10) and extreme (11+) mean serious protection is a must — or better yet, stay out of the sun during peak hours (10 AM to 5 PM). Stay smart, stay protected, and enjoy the sunshine safely.

Learn how to stay safe during extreme weather conditions with practical tips for surviving heatwaves and cold snaps. Protect your health with our expert climate safety guide.

Photographer documented the dramatic retreat of glaciers in Svalbard, Norway, by recreating century-old photos from the same vantage points. Working with the Norwegian Polar Institute and Greenpeace, he first visited the sites in 2002 and returned in 2024, capturing powerful visual evidence of climate change. His photos reveal significant glacial loss, reflecting scientific data showing that the Arctic is warming twice as fast as the global average. Aslund’s work highlights the accelerating im…

Sea lion attacks in California are linked to toxic red tide algae, which causes neurological damage in marine animals. The toxins make sea lions aggressive, posing risks to humans. Experts warn that pollution and climate change are worsening red tide outbreaks, threatening both wildlife and public safety.