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On April 22, 2020, people around the world will celebrate the 50th anniversary of Earth Day, embracing our commitment towards understanding the planet’s environmental processes and protecting it for future generations. In support of this global event, NASA is highlighting the agency’s contributions to the environment with a week of online events, stories, and resources.

Landslides are a widespread and often underestimated natural hazard, causing thousands of deaths and significant economic damage each year. They routinely block roads, destroy infrastructure, and disrupt communities. Intense or prolonged rainfall is the most common landslide trigger, but earthquakes and human activities can also cause them. Using satellite data, models, and citizen science reports, NASA researchers have developed a collection of tools and datasets to improve our understanding of landslides and help communities around the world monitor, predict, and respond to these destructive events.

Storm Dennis is an extratropical cyclone that developed over the continental United States before undergoing explosive intensification as it crossed into the North Atlantic. On February 15 shortly after this GPM overpass, Dennis reached its minimum central pressure of 920 mb, which is reported to be the second-lowest on record for a North Atlantic winter storm. The eye can be seen south of Iceland, while rain bands to the south caused severe flooding across the British Isles. Text & Visualization by Jason West (NASA / KBR)

Vector-borne diseases are responsible for over 17% of all the infectious diseases globally. Many of these diseases are preventable through protective measures, provided local authorities are aware of the potential outbreaks of the responsible vectors. Vectors are living organisms that are able to transmit diseases between humans or from animals to humans. These diseases include but are not limited to cholera, malaria, dengue fever, Zika, schistosomiasis, and West Nile fever.