After 48 hours of frantic effort, Brazilian rescue workers have called off their search for survivors at a collapsed dam in Minas Gerais state.
AP Photo/Leo Correa
Nearly 1,800 Brazilian dams are at risk of failure, according to the government. Fixing them is expensive – but ignoring aging dams can have considerable social, economic and environmental costs.
Munduruku tribal people are demanding that Brazil’s government respect their land rights.
AP Photo/Eraldo Peres
Brazil's new president could clear the way for plans to develop remote areas around the Tapajos River basin over the objections of the indigenous people who live there.
The Nile River during sunset in Luxor, Egypt.
The threat to use force to defend Egypt's right to water from the Nile has been a common theme through successive governments.
France, Germany and other European countries are increasing their use of renewable energy sources as well as storage solutions to help overcome their intermittent nature.
The shrinking supply of Colorado River water is evident at the Hoover Dam on the border of Arizona and Nevada.
AP Photo/Ross D. Franklin
Taking millions of gallons of water permanently out of the Colorado River amid a prolonged drought would surely start an interstate fight.
Computer servers mining bitcoin in Italy.
Bitcoin is often criticized for using up tons of energy. But its carbon footprint may not be that bad.
Survivors of the dam disaster take refuge at a temporary shelter in Laos’s Attapeu province.
ABC Laos News/EPA
Images of the aftermath of the Xepian-Xe Nam Noy dam collapse in Laos went around the world. But many other dam projects harm locals and the environment in less visible ways.
Development is peaking in the high country between India and China.
Vinay Vaars/Wikimedia Commons
For decades, China and India have clashed over their disputed Himalayan border. This clash is also playing out via a development boom that threatens the health of one of the world's biggest river catchments.
Small aircraft carry scientists high above the Southern Alps to survey glacier changes.
Forty years of continuous end-of-summer snowline monitoring of New Zealand's glaciers brings the issue of human-induced climate change into tight focus.
Rising seas, harsher weather, rainier days. The impacts of climate change make it harder for Caribbean countries to plan their transition toward renewable energy sources.
The 2017 hurricane season showed that Caribbean nations urgently need more resilient power grids. But the effects of climate change – including more severe storms – complicate the shift to renewables.
Hydropower plays a massive role electrifying many countries.
Many countries in eastern and southern Africa rely on hydropower for electricity generation and there are plans for several more dams.
The potential clean energy sources are all around Sydney, just waiting to be harnessed.
Collage by Rocco Furfaro
Sun, wind, waste biomass, geothermal, tides and waves: all these energy sources in Sydney's backyard add up to a zero-carbon energy solution for the city.
FCG / shutterstock
The region relies on seasonal flooding, yet energy demand is year-round.
Cape Verde’s renewable energy resources account for about 25% of total energy production.
With cutting-edge technologies and innovative business practices, Cape Verde can achieve its goal in a way that is cost-effective and equitable
Dam projects on the Irrawady in Myanmar could not only devastate livelihoods but add more conflicts to an already sensitive region.
Saw John Bright
Constructing large dams can provide much needed electricity for Myanmar. But this can also threaten the livelihoods of millions.
You may agree the U.S. should move to renewables, but how quickly can we do it and how?
How fast can the US transition to clean energy and with what energy sources? Here's why an impassioned debate among energy wonks matters to the rest of us.
The Eze or Deopani river, near Roing.
Mirza Zulfiqur Rahman
As India opens up a new bridge in its north-eastern region, local tribal communities feel left out of the development picture.
P5D / shutterstock
Hydropower dams in upstream India have left Pakistanis worried.
The Maguga Dam in Swaziland. Many development challenges of dams are not as clear as critics suggest.
Dams are once again being recognised as important key contributors to a prosperous and sustainable future.
Hydro electricity will be part of Australia’s energy future.
AAP Image/Lukas Coch
Energy security requires both short and long planning. Recent gas and hydro announcements are a promising start towards some proper joined-up thinking.