The earth is a finite place.
Earth image from www.shutterstock.com
The global economy is already unsustainable – let alone if it gets bigger.
Sunrise on Angel’s Window, North Rim, Grand Canyon National Park.
National Park Service/Wikimedia
Why do Americans revere the Grand Canyon? It taught us to look at nature in a new way, and to respect iconic places by leaving them alone.
Protector in chief: Theodore Roosevelt with conservationist John Muir at Yosemite in 1906.
U.S. Library of Congress
Historically, environmental causes enjoyed bipartisan support but gains by NGOs and the emergence of climate change as a social issue have created a sharp political divide.
Is the “end of the world” the best way to understand our ecological woes?
Collapse porn. Apocalyptica. Eco-rapture. A growing genre of environmental writing that sees endless economic growth as the enemy.
All in the same boat? A Oxfam protest outside the Lima 2014 climate talks.
For as long as the United Nations has been holding climate summits, protesters have been gathering outside them to bemoan the rate of progress and call for tougher action.
John A. Vucetich
Should conservationists 'sell' the value of nature by focusing on the ecosystem services nature provides people? Surveys show this may be the wrong tack.
Hearing it from supporters: attendee at Clinton rally in New Hampshire expresses opposition to Keystone pipeline.
Hillary Clinton's opposition to construction of the Keystone pipeline has little effect in the short term but reflects building "supply side" strategy of environmentalists to limit fossil fuel development.
Outgoing Greenpeace executive director Kumi Naidoo sees the struggles against political repression, poverty and climate change as intrinsically interconnected.
flickr/World Economic Forum
The international executive director of Greenpeace, Kumi Naidoo, explains why he believes the big global challenges cannot be tackled in isolation.
If only we could all get this excited about tackling climate change.
The UK should look to mainland Europe for greener music festivals.
Among certain minority religious communities, there’s a focus on homegrown or locally grown food.
'Hands' via www.shutterstock.com
Yes, environmental racism is still a problem, but recent research shows that minority groups care about protecting the environment because of the positive experiences they've had.
Business, environmental, trade union and social groups all see advantages in looking beyond high-emission industries such as coal-fired power.
Nick Pitsas/CSIRO/Wikimedia Commons
The Australian Climate Roundtable unites business, environmental and social groups in calling for a strong climate policy. This unprecedented show of unity might even break down Canberra's climate stalemate.
The court ruled that Dutch citizens have a legal right to be protected from climate change.
Moyan Brenn/Flickr/Wikimedia Commons
For the first time, a court has ordered a government to strengthen its climate targets. It's a watershed, not just for the Netherlands but potentially for countries such as Australia whose targets have been criticised.
Take that extra hour off work. Just don’t spend it burning coal or petrol.
Being time-poor makes it harder to be green, says a study which shows that people who work long hours are more likely to fall short on taking real action to address their environmental concerns.
Cyclone Pam struck the developing island nation of Vanuatu in March 2015. Poorer nations are more exposed to environmental dangers so are more concerned about impacts that might increase the risk.
AAP Image/Dave Hunt
Who cares more about environmental issues: people in rich countries, or not-so-rich countries? A survey suggests it's those in poorer places who are more vulnerable to issues like climate change.
Bjorn Lomborg seems to irritate the hell out of many environmentalists.
AAP Image/Alan Porritt
Bjorn Lomborg seems to inspire anything but consensus, but is his approach all that bad?
Can we take responsibility for an increasingly human-driven planet? (Photo by Mark Klett)
Witness to Sunrise, Muley Point, Utah.
Scientists, philosophers, historians, journalists, agency administrators and activists grapple with what it means to 'save nature' in the Anthropocene.
Friends of the Earth is among the environmental groups that have been criticised in some quarters as ‘anti-jobs’.
Friends of the Earth/AAP Image
A federal government inquiry that reportedly threatens the tax-deductibility status of dozens of environmental groups is the latest move towards quieting outspoken green groups, writes Peter Burdon.
China’s government says it plans to tackle smog, but has also moved to shut down criticism on the issue in the wake of a popular online documentary.
Under the Dome, a hugely popular online documentary about China's smog crisis, could be as influential as 1962's US pesticide exposé Silent Spring - but only if Chinese officials allow debate to flourish.
Police authorities in Malta have taken steps to curtail bird hunting, including this enforcement in 2007, but illegal hunting continues.
Darrin Zammit Lupi/Reuters
When conservationists use war metaphors – as in the battle to halt bird hunting in Malta – they hurt their cause by closing down paths to negotiation.
A dead coral reef in the Caribbean. Coral reefs are extremely vulnerable to climate change and ocean acidification.
Scientists are coming to the conclusion that we are on the brink of a mass extinction — the sixth known in the history of the Earth, and the latest since an asteroid killed off the dinosaurs 65 million…