Cement has a huge greenhouse footprint, largely because the chemical process by which it is made releases carbon dioxide. But there are several different ways for cement to green up its act.
The Wollangambe River’s canyons are loved by adventurers.
Ben Green
The environmental regulator has stepped in to stop water pollution from an underground coal mine damaging a World Heritage River. Can the mine deliver improvements and will the river recover?
A man fishing from a dock in Fajardo, Puerto Rico.
AP Photo/Ricardo Arduengo
Trump's executive order on climate will cede American leadership internationally and scores a political win. But reversing all Obama's work will require big wins in court.
Trump promises to revive the coal industry in part by opening up mining on federal lands, yet economists found that increasing royalties on public land would lead to more mining elsewhere, including Northern Appalachia and the Illinois Basin.
AP Photo/Steve Helber
One of Trump's first orders of business on energy will likely be to reopen federal lands to coal mining, which would be a bad deal for taxpayers and the environment.
Can coal be part of Australia’s efforts to reduce greenhouse gas emissions?
Coal image from www.shutterstock.com
Prime Minister Malcolm Turnbull's proposed changes to Australia's national environment act will significantly reduce judicial oversight on environmental decisions. Here's why that matters.
Mine communications are complex, slow and unreliable. The solution to keeping miners safe, and rescuing them when disaster strikes, might just be in their hands already.
Indigenous activists confront Queensland politician Peter Wellington in 2015.
AAP Image/Dan Peled
How bad are things for U.S. coal? Very bad, but that's very good for environment. Now the question is whether other countries will cut back on coal as well.
A mountaintop removal site in Kentucky photographed in 2012.
docsearls/flickr
The granting of a mining lease to the Carmichael coal project, despite the huge potential greenhouse emissions, shows that ministers need to consider the wider consequences of their approvals.
Senior Lecturer, Sustainability and Urban Planning, School of Global Urban and Social Studies; Co-leader, Climate Change and Resilience Research Program, Centre for Urban Studies, RMIT University
