Articles sur Rivers

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The San Pedro Mezquital River is the last free-flowing river in Mexico’s western Sierra Madre. Octavio Aburto

Hydropower dams can harm coastal areas far downstream

Thousands of hydropower dams are under construction around the world. New research shows that by cutting off sediment flow, these dams can have big ecological effects on far-off bays and deltas.
A dry river bed in south Australia. (Shutterstock)

How drought affects freshwater fish

Freshwater fish are suffering as drought becomes more common and severe. Whether they survive will depend on how governments manage rivers and lakes, and on taking action against climate change.
Media reports tend to focus on people who drown at the beach. But almost as many people drown in rivers and lakes. Where are the safety messages for them? from www.shutterstock.com

Australia’s spike in summer drownings: what the media misses

Migrants are no more at risk of drowning than Australian-born swimmers but you'd never know from media reports.
Marshes at Blackwater National Wildlife Refuge on Maryland’s Eastern Shore. Ataraxy22/Wikimedia

Protecting the world’s wetlands: 5 essential reads

Marshes, swamps and other kinds of wetlands provide valuable services, such as effective natural flood control. But they are being destroyed for development in many parts of the world.
Children in the Willows forest nature program in the Humber Valley in west Toronto are drawn to water and sticks, simple materials for exploring and investigating. Here the children explore water accumulated from spring rains. (Louise Zimanyi)

Wonder and wisdom in a children’s forest nature program

When parents walk in the forest with their children and us and see how children are drawn to spiral snails, together we see how connections with the land are critical for the Earth's future.
Volunteers prepare to take flow measurements on Muddy Creek. Centre County Pennsylvania Senior Environmental Corps

How monitoring local water supplies can build community

When people form local networks to take care of resources such as drinking water, they strengthen their communities. Technology can support these efforts and promote learning and innovation.

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