carbon dioxide
Scientists Warn of 'Significant' Climate Effects of Frequent Space Launches
Increased rocket exhaust "may start having significant adverse effects on the atmosphere or the climate, and in turn, on human health," researchers warn.
The Earth Is Facing a Nitrogen Shortage Due to Climate Change, Study Says
Greenhouse gases, among many other pressures, are reducing access to this key nutrient in ecosystems around the world.
NASA Has Created Oxygen on Mars In a Major Milestone for Space Exploration
An experiment on Perseverance created enough oxygen on Mars to keep an astronaut alive for 10 minutes for the first time ever.
The Arctic Is on Fire Again, and It's Even Worse This Time
Siberian fires are releasing record amounts of carbon dioxide after months of unseasonably warm temperatures in the Arctic, even surpassing last year's blazes.
Antarctica Was a Lush Rainforest 90M Years Ago, Scientists Discover
An ancient sediment core revealed a shocking discovery: pollen and spores, indicating a long-lost rainforest that was shrouded in perpetual darkness for months at a time.
Trump's Interior Department Is Claiming Climate Change Is Actually Good for Plants
Misleading language has been inserted into at least nine reports that could affect environmental policies.
What You Need to Know About the Trump Adviser Who Compared CO2 to Persecuted Jews
Here's the lowdown on Princeton physicist William Happer.
NASA Scientists Created a Super-Hot Exoplanet Atmosphere on Earth
A team heated a cloud of gas up to 2,000°F and blasted it with radiation to see what happens on giant planets that orbit very close to their stars.
European Genocide of Indigenous Peoples in the Americas Cooled Earth’s Climate
Some 50 million Indigenous peoples died during the 16th century, a collapse that caused atmospheric carbon dioxide levels to drop.
Plants are Losing Their Capacity to Absorb Human CO2 Emissions
A team of Columbia researchers finds that the climate tipping point may come sooner than we think.
US Carbon Emissions Spike in 2018 to Their Highest Levels in Eight Years
A new report estimates that American carbon dioxide emissions rose by 3.4 percent in 2018, due to Trump's policies, cold spells, and economic growth.