Oceans
The sea surface covered by seaweed is now as big as South America
The first global mapping of macroalgae blooms in the ocean, last year, reveals rapid growth and a new record for the area seaweed blankets.
Climate
More Stories in Climate
- Physics
Scientists Say: Equilibrium
This steady state may look like a total standstill, but it’s actually an equal opposition of forces.
- Climate
Microbes that dwell in tree bark devour major climate gases
Hidden in plain sight, this huge community of tree-bark microbes dines on gases — such as methane — that warm Earth’s atmosphere.
- Environment
Antarctica faces a green and weedy future
Warming is allowing alien species to invade a land that had been isolated for 30 million years. They now threaten local ecosystems unique to Antarctica.
- Climate
As winters warm, athletes must cope with harder snow and tricky ice
Ice arenas and artificial snow now dominate the winter Olympics. Athletes there — and everywhere — may need to adjust how they train and perform.
- Earth
Experiment: Weather and climate in your neighborhood
In this experiment, use historical weather data to investigate how weather and climate conditions have changed in your area over time.
- Animals
Polar bears leave thousands of tons of food scraps for other species
The new finding quantifies how much of polar bears' food goes uneaten. As these bears decline, Arctic scavengers risk losing a critical food source.
- Climate
Global coral die-offs signal Earth’s first climate tipping point
The corals offer a dire warning, scientists say, and suggests that more such catastrophic points of no return could occur soon — some within a decade.
- Earth
Cities across the world are sinking. Here’s how they might rebound
Affected coastal cities tend to flood more often — a growing threat in this era of continuing sea level rise.
- Environment
During heat waves, trees spew chemicals that worsen air pollution
New data point to how heat waves and other climate change will make it harder to curb ozone and other types of toxic air pollution — even outside of cities.
