Pope Francis's document on the earth's future has become entangled in Vatican politics. But its most fraught reception will be in the United States.
A Vatican document links a hot planet to world poverty and the need for change. Its immediate impact may be on the United States presidential race.
The pace of reaction to the global climate emergency is increasing, and vulnerable states in the global south are often in the lead.
Climate change is set to trigger dangerously soaring temperatures this century, forcing many of humankind’s most vulnerable to migrate to survive. Yet the growing global obsession with border security will stifle their safe movement.
As the COP20 conference comes to a close in Lima, can the corporations whose ‘externalities’ foster climate change ever be brought to book?
The last two decades have seen a growing global appetite for peace but unless concerted, informed action is taken the next two could bring darker times
Many new paths to climate action are being taken, with the global south in the forefront. Even modest support and publicity from their northern counterparts can bring huge benefits.
A new political tone on climate change in Britain is matched by a breakthrough in understanding the retreat of tropical glaciers.
Two floods, two eras, two worlds. The contrast between 1953 and 2014 in southern England is a lesson both in class and climate change.
If long-term climate disruption is a reality, so is the prospect of short-term benefit for states such as Canada and Russia. But their governments' denial of climate change looks back not forward.
The accelerating pace of extreme weather events is an acute challenge to political leaders.