You may not have heard of them or given them much thought, but phytoplankton — the microscopic plants that grow throughout the world’s oceans — are the foundation of oceanic food webs. Although tiny, they…
Through burning fossil fuels, humans are rapidly driving up levels of carbon dioxide in the atmosphere, which in turn is raising global temperatures. But not all the CO2 released from burning coal, oil…
Global warming is primarily driven by increasing emissions of greenhouse gases from human activities. Chief among these gases is carbon dioxide (CO2), which warms the planet by trapping heat that would…