Centerfor Earth System Research and Sustainability (CEN)

Mangroves, salt marshes and seagrass are common along many coasts around the globe. They form unique ecosystems, which absorb huge amounts of carbon dioxide (CO2) from the atmosphere and oceans, and store it in their leaves, stems, branches and roots, as well as in the sediments below. However, when the tide changes they...

By now, every country is being affected by climate change. Heat waves, storms and loss of biodiversity are changing our environment. And the social and economic damage is also enormous: crop failures, forest fires and health risks cost us dearly. How much money should we invest today, in order to mitigate the damage that...

In Hamburg’s port, you can sometimes see fish gasping for air just below the water’s surface. This is a sign that there isn’t much oxygen in the water. This becomes life-threatening for them when the level falls below three milligrams of oxygen per liter. In summer 2014, the level was below this value for several days. The...