Happy #EarthDay! We use the vantage point of space to increase our understanding of our home planet, improve lives, and safeguard our future. We monitor Earth’s vital signs from land, air and space with a fleet of satellites and ambitious airborne and ground-based observation campaigns. We develop new ways to observe and study Earth's interconnected natural systems with long-term data records. And we freely share this unique knowledge and works with institutions around the world. Scientists worldwide use our data to tackle some of the biggest questions about how our planet is changing now and how Earth could change in the future. From rising sea levels to the changing availability of freshwater, we enables studies that unravel the complexities of our planet from the highest reaches of Earth’s atmosphere to its core. Our Earth science work also makes a difference in people’s lives around the world every day. From farms to our national parks, from today’s response to natural disasters ...