A new mapping study shows that roads have sliced and diced almost the entire land surface of Earth, leaving huge areas prone to illegal logging, mining and hunting.
From citizens who sit on the boards of energy companies to neighbourhoods that help fund local wind farms, community action is critical to the environmental movement.
Will the evidence finally convince polluted cities to clean up their act?
The government has decided to protect vast new expanses of land and sea. But bad planning and lax regulations are likely to limit, or even undermine, this conservation effort.
The end of fossil fuels is approaching fast. But the question remains of what to do with those that remain, waiting to be sold.
Across the globe, extreme heat events are linked with climate change, although El Niño provided a boost in 2015 leading to more records being broken.
China has been very quiet in negotiations over fisheries regulations for the central Arctic Ocean. Why is the country's behaviour there so dramatically different from what it pursues in Antarctica?
Are high levels of violence and displacement in Central America and Mexico caused by natural resource exploitation?
China has pledged to peak carbon emissions before 2030, but is planning a 20% increase in coal power by 2020.
OPEC's recent decision to cut supply is a classic move from the oil cartel playbook. But in today's era, there are many more players and game-changing technologies on the field.
Future population growth is expected to take place almost entirely in cities. We won't fight climate change without them.
Athi-Kaputiei is close to Nairobi where undeveloped land is exceedingly scarce and expensive. This has made it a powerful magnet for people.