"We've broken the water cycle, destroyed ecosystems and contaminated groundwater." In turn, there's "simply not enough fresh water left anymore," added U.N. General Assembly President Csaba Korosi.

AGYEMANGThe end of the first four months of this year, necessitates a recall to reflect on messages from three of some of the ...

making the water cycle more unpredictable. For billions of people, meltwater flows are changing, causing floods, droughts, landslides and sea level rise. Countless communities and ecosystems are ...

Global warming heightens the chance of both extreme drought and heavy rain, warns science, endangering communities and ecosystems. Knowing how climate change interferes with the water cycle is key ...

Save guides, add subjects and pick up where you left off with your BBC account. Water is a key compound for life on Earth. All living organisms need water. Some can survive in a dormant state ...

One of the most important biogeochemical cycles in wetlands is the nitrogen cycle ... to wetland and aquatic ecosystems. Because of the predominance of water and anaerobic conditions in wetlands ...

Water is a key compound for life on Earth. All living organisms need water. Some can survive in a dormant state without it for long periods of time, but all organisms will quickly or eventually ...