Physical evidence found in caves in Laos helps tell a story about a connection between the end of the Green Sahara – when once heavily vegetated Northern Africa became a hyper-arid landscape – and a previously unknown megadrought that crippled Southeast Asia 4,000 to 5,000 years ago.
articles
A New Tool for Tracking Amazon Fires
Following a notable increase in fire activity in August 2019 and a gradual rise in deforestation, scientists have been watching for signs of how 2020 might shape up. Several worrisome signs have emerged.
February Lockdown in China Caused a Drop in Some Types of Air Pollution, but Not Others
Atmospheric scientists have analyzed how the February near-total shutdown of mobility affected the air over China. Results show a striking drop in nitrogen oxides, a gas that comes mainly from tailpipes and is one component of smog.
NASA's ECOSTRESS Monitors California's Record-Breaking Heat Wave
From cities to deserts, the intense heat gripping California is being closely monitored by an Earth-observing mission aboard the International Space Station.
Data Omission in Key EPA Insecticide Study Shows Need for Review of Industry Analysis
For nearly 50 years, a statistical omission tantamount to data falsification sat undiscovered in a critical study at the heart of regulating one of the most controversial and widely used pesticides in America.
NASA Gets a Wide Angle View of Hurricane Genevieve
NASA provided a series of photos of Hurricane Genevieve as it affected Mexico’s southern Baja California peninsula.