Venice has battled rising water levels since the fifth century. But today, the water seems to be winning. Several factors, both natural and man-made, cause Venice to flood about 100 times a year — usually from October until late winter — a phenomenon called the acqua alta.

Since 2008, Chicago has been implementing a series of strategies in its Climate Action Plan – an initiative that seeks to reduce the city’s greenhouse gas emissions by 80% below 1990 levels – and in 2019 committed to running the city on 100% renewable energy by 2040.

Many young doctors in Italy responded to the calls recently put out by local administrations to meet the shortage of medical staff in hospitals unprecedented levels of pressure. Every doctor, whether they specialize in dermatology or gynecology, is drafted in to deal with the virus.

One of the most passionate speeches of the opening day of the U.N. climate change conference in Paris was delivered by Marshall Islands President Christopher Loeak. Thousands of residents from the Marshall Islands have already fled the Pacific island state, becoming climate change refugees because o

Yo-Yo Ma, one of the world’s most renowned and beloved musicians, is trying to provide comfort in this time of crisis. Ma has been posting videos of himself performing short pieces and encouraging other musicians -- of all levels -- around the world to join him in offering “Songs of Comfort.” Ma joi

Zoom into a coral reef and discover photosynthetic algae inside the coral’s cells. Reef-building corals rely on these symbionts for their survival. This stunning animation is perfect for all levels of biology and environmental science classes. Corals get their energy in part from microscopic symbiot