Six different case studies are presented, each focusing on different dimensions of the Earth’s climate and showcasing the diverse contributions of satellite Earth observations. The case studies are:
— Counting carbon: monitoring the global carbon cycle to help predict, mitigate and adapt to the related climate changes.
— The big thaw: measuring the loss of our disappearing glaciers and polar ice caps.
— Sea level rise: as the oceans warm and the ice melts, the ocean rises. Satellites are already an indispensable tool in charting the changes.
— Water security: with water becoming an increasingly valuable resource and with its supply anticipated to become more erratic, improved management is becoming an important capability. Satellites can help governments in multiple ways.