This year, China has built renewables at a truly staggering pace. But can its tech-first approach actually cut emissions – and find common ground at COP28?
Of all Australia’s climate policies, the Renewable Energy Target has been the most effective. Why have Australian governments moved away from it, and how can they revive it?
Giacomo Falchetta, International Institute for Applied Systems Analysis (IIASA)
There’s a consensus that extreme hydrological events will increase throughout the continent. This will lead to growing issues with power system reliability.
Niger is central to several economic and political initiatives in the Sahel.
Guenter Guni/Getty Images
Two decades of drought have reduced the river’s flow by one-third compared to historical averages. The Biden administration is considering mandatory cuts to some states’ water allocations.
Establishing the financial worth of a river’s fish is complicated when many people don’t sell the fish they catch.
Tang Chhin Sothy/AFP via Getty Images
Putting a dollar value on nature has staunch opponents who say it’s morally wrong, but without it, building dams and other infrastructure can run roughshod over vital ecosystems.
The white ‘bathtub ring’ around Lake Powell, which is roughly 110 feet high, shows the former high water mark.
AP Photo/Rick Bowmer
Alan Brent, Te Herenga Waka — Victoria University of Wellington and Gregory Guyot, Université Grenoble Alpes (UGA)
If the proposed pumped hydro scheme at Onslow goes ahead and is managed well, it could be a major asset to diversify a low-carbon, self-resilient economy in Aotearoa New Zealand.
The sheer number of Chinese-funded dams pose a substantial risk to biodiversity. And yet, environmental regulation of these projects has serious flaws.
The Seli’š Ksanka Qlispe’ Dam provides enough electricity for about 147,000 homes in the Flathead Indian Reservation in Montana.
Martina Nolte via Wikimedia Commons
China is in the midst of a devastating heatwave and drought. This has thrown the nation into an electricity crisis. And China has doubled down on coal investments to meet demand.
This direct air capture plant in Iceland was designed to capture 4,000 metric tons of carbon dioxide per year.
Climeworks 2021 via AP Photos
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.
The Akosombo Dam in Ghana has been a reliable source of power for decades.
Wikimedia Commons