Polar bears are important not only for their beauty but for being at the top of the Arctic food chain. But pollutants carried to the High Arctic by winds and ocean currents threaten the bears - another victim of climate change.
Right-wing campaigners and journalists reviving denial of human-made climate change are facing strong criticism from scientists, academics and NGOs. They are accused of trying to derail the Copenhagen climate summit.
The climate-change campaign needs a sense of can-do enthusiasm, says Giles Fraser. It would be really something if faith leaders were able to help replace gloomy defeatism with a broader version of something Christians call hope.
The Wave, a visual protest being organised by the Stop Climate Chaos coalition, promises to be the UK's biggest-ever demonstration in support of international environmental action to combat climate change.
Leaders of nine major faiths have presented 60 ideas for lessening carbon emissions to the United Nations after the Secretary-General, Ban Ki-moon, singled out the religious community as key in fighting climate change.
Catholic agency Progressio has told senior faith leaders from across the UK that poor and marginalised communities in the developing world are a vital “part of the solution” in tackling climate change.
The Archbishop of Canterbury, the Chief Rabbi and the Catholic Archbishop of Westminster have joined faith-based groups across the UK in calling for “urgent measures” to reduce greenhouse gas emissions in the run-up to Copenhagen.
The Methodist Church, the Baptist Union of Great Britain and the United Reformed Church have urged the EU to agree carbon cuts of at least 40% below 1990 levels by 2020 and for these cuts to be made without extensive use of offsets.