The UN climate summit has ended with delegates taking very different views on how much it has achieved.

Western delegates said progress here had been encouraging, but environment groups said rich countries had not shown enough ambition.

Developing nations were angry that more money was not put forward to protect against climate impacts.

The meeting is the halfway point on a two-year process aimed at reaching a deal in Copenhagen by the end of 2009.

After Poznan, eyes are turning to Copenhagen

As envisaged at last year's conference in Bali, that agreement is supposed to have two major elements - an expanded Kyoto Protocol-style deal committing industrialised countries to deeper emission cuts in the mid-term, perhaps by 2020, and a longer-term agreement encompassing all countries.

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After three years of improvements, deforestation in the Amazon is increasing again, according to the Brazilian government.

Satellite images indicate that nearly twelve thousand square kilometres of land has been cleared within a year, an area the size of Lebanon.

See the video commented by Vanessa Heaney on BBC website.

The Vatican is a recent convert to the theology of renewables

An opinion poll in 11 countries has produced what organisers term a "global mandate" for action on climate change.

About half of the respondents wanted governments to play a major role in curbing emissions, but only a quarter said their leaders were doing enough.

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