Giant ice cube to fight climate change in Mongolia
Scientists in Ulan Bator are trying a radical new technique to keep the city cool during its boiling summers: constructing one of the world’s biggest blocks of ice.
New research confounds climate sceptics
A conservative foundation has unwittingly funded a study that proves climate change is real. What will this mean for the future of our planet?
World population set to tip seven billion
The world population has doubled over the past 50 years, and on Monday it is set to reach a phenomenal seven billion. How will the planet deal with this unprecedented number of people?
An ecosystem wiped out in a single generation
Coral reefs – among the world's most exciting habitats – are set for extinction. For the first time in history, humans will have destroyed not just a species but a whole living ecosystem.
Australia launches bold new plan on global warming
The Australian government has revealed details of a new carbon tax, to be implemented next year. It will help slow global warming, but industry leaders are worried.
East Africa hit by returning drought and famine
The United Nations believes 10 million people are at risk from lack of food and water in the Horn of Africa. Lack of rain has left crops failing and livestock dead.
‘War on motorists’ drives cars off the roads
The world is divided on what to do with cars. Some countries want to help motorists. Others want to make their lives impossible. The debate has deep cultural roots.
China drought raises fears of global crisis
Parts of China are experiencing their worst drought in 50 years. Desperate officials have opened dams, spending the country's water reserves. But water shortages remain a global threat.
‘Monster killer storm’ devastates Queensland
The most powerful cyclone ever to hit Australia struck Queensland this week. As devastation reigns, are such natural disasters inevitable?