Who set the guardrails on global temperature rise?
More and more research shows that we are likely to pass the 2 degree Celsius temperature limit much of the world has agreed on. Where did that limit come from, and what if we miss it?
According to the WWF, we’re living off 1.6 Earths’ worth of resources.
You may have seen reports that humans use more resources than the Earth can produce – but, logically, how is that possible? A bathtub can help explain.
We still don’t know enough about questions such as where the tipping points are for Arctic ice melt.
Christine Zenino/Wikimedia Commons
The Paris agreement has given us some solid targets to aim for in terms of limiting global warming. But that in turn begs a whole range of new scientific questions.
Shamil Zhumatov / Reuters
Things can change disturbingly quickly – just ask the people who once farmed the Sahara.
Don’t you trust me? Give me a tip!
Tip jar from www.shutterstock.com
Citizens of countries that rank higher on the so-called Trust Index tend to be more generous when it comes to tipping waiters.
Melt pond on the Greenland ice sheet.
NASA / Michael Studinger
The concept of a “tipping point” – a threshold beyond which a system shifts to a new state – is becoming a familiar one in discussions of the climate. Examples of tipping points are everywhere: a glass…