Environment
How to poop outdoors in a way that won’t harm the environment and other hikers
Hurricane Katrina: 3 painful lessons for emergency management are increasingly important 20 years later
Glacial lake flood hits Juneau, Alaska, reflecting a growing global risk as mountain glaciers melt
Most air cleaning devices have not been tested on people − and little is known about their potential harms, new study finds
One of Hurricane Katrina’s most important lessons isn’t about storm preparations – it’s about injustice
Chaos gardening – wild beauty, or just a mess? A sustainable landscape specialist explains the trend
Cultivating for color: The hidden trade-offs between garden aesthetics and pollinator preferences
Where America’s CO2 emissions come from – what you need to know, in charts
