The United States has over 2,100 operational hydroelectric dams, with locations in nearly every state. They play essential roles in their regional power grids. But most were built in the past century under a different climate than they face today.
Here is how the Seawater Air-conditioning system works: Coldwater taken from deep in the Mediterranean Sea is pumped into a cooling station and passed through a heat exchanger, where it absorbs heat from buildings.
A report into the impact of climate change on cities, which is becoming increasingly important as more and more people live in them. One of the most severe impacts, which is already starting to bite, is cities running out of water.
The charity warns the toll of water shortages will be felt most by poor people in cities such as Harare, Zimbabwe and Kabul, Afghanistan. It is calling for an international fund to pay for loss and damage from climate impacts.
About 80,000 m3 of recycled water is available that could improve the coping with forest fires. In this context, a hydraulic infrastructure for an advanced wastewater treatment is under development, aiming to lower forest fire risk and build resilience.
Mayors and governors of the world’s coastal cities call relevant stakeholders, building on the «Cities Race to Resilience» campaign, to scale-up mitigation and adaptation to limit the impacts of sea level rise on cities, communities and their territories.
As statistics show an acute upswing in the number of global conflicts involving water, urban planning experts and alarmed policy-makers are devising ways to protect citizens from the harms of too little water—as well as too much.
