Stemming the water crisis in the western US will require cities and rural areas to work together to make water use on farms – the largest source of demand – more efficient.
Étienne Espagne, Agence française de développement (AFD); Alexis Drogoul, Institut de recherche pour le développement (IRD); Emmanuel Pannier, Institut de recherche pour le développement (IRD); Manh-Hung Nguyen, Toulouse School of Economics – École d'Économie de Toulouse; Marie-Noëlle Woillez, Agence française de développement (AFD), and Thanh Ngo-Duc, University of Science and Technology of Hanoi
Data analysis suggests local activity will intensify the effects of global warming - so adapting means rethinking national development strategies
Andrew Blakers, Australian National University; Bin Lu, Australian National University, and Matthew Stocks, Australian National University
A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.
Thousands of dams across the US are aging and overdue for maintenance. Taking them down can revive rivers, restore fish runs and create new opportunities for tourism and outdoor activities.
The Nile Treaties prevent upstream countries from using the waters of the Nile without the consent of those downstream. This results in an Egyptian bias.
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.
Small-scale renewable energy projects can power rural areas not connected to the main grid. But investors may hesitate if future electrification remains unpredictable.
Masaō Ashtine, University of the West Indies, Mona Campus and Tom Rogers, Coventry University
Even before the British billionaire invested US$1 billion in making the region ‘climate-smart,’ Jamaica, Barbados and Dominica were pioneering a renewable energy boom in the Caribbean.