From more than 400 miles above Earth, NASA is tracking some of the planet’s smallest life forms drifting just beneath the ocean’s surface to monitor how global warming affects ocean health.  The microscopic organisms known as phytoplankton fuel the entire aquatic food web. They provide food for small fish, zooplankton and crustaceans like krill that … Continue reading New NASA Mission Tracks Microscopic Organisms in the Ocean and Tiny Particles in the Air to Monitor Climate Change