In pictures: Copenhagen climate summit

Hectic parleys are already on in Copenhagen in a bid to ensure that the climate change summit is a success and the world agrees to take concrete steps to resolve the vexed issue of emission cuts and the imbalance between the rich and the poor nations.

India favours a legally binding climate change agreement from the developed countries, saying a political pact will not be 'enforceable', even as it asserted that its voluntary reduction of carbon emission intensity was not announced under pressure.

Stressing the importance of a treaty at Copenhagen, the Prime Minister's Climate Change envoy Shyam Saran has said that it was too early to 'preempt that the negotiations would fail to produce legally binding commitments and governments would have to settle for a political agreement'.

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A woman rides a bicycle past a globe in downtown Copenhagen.

The United Nations Climate Change Conference 2009, also known as COP15, is being held at the Bella Center in Copenhagen from December 7 to December 18.

A presenter at the United Nations exhibition for information and communication technology practises by speaking to an empty room at the UN Climate Change Conference.

A worker looks on while standing in front of a furnace in the Temirtau steel plant in the town of Temirtau, central Kazakhstan.

With its chimneys towering high above the steppe of central Kazakhstan, a giant maze of rusty pipes and billowing furnaces built in the 1960s, the plant is Central Asia's biggest steel producer -- and one of its biggest polluters.

The start of climate talks in Copenhagen has given new impetus to a campaign by local ecologists and production officials to tackle the problem.

People watch an illuminated so-called CO2 cube pictured in the water of St Jorgens Lake in front of Tycho Brahe Planetarium in Copenhagen.

The cube visually shows the amount of carbon dioxide produced by an average person in one month.

A demonstrator protests during a climate change march in London on December 5, 2009.

About 20,000 people joined a climate change march in central London calling for world leaders to agree a deal to protect the environment at their summit in Copenhagen.

The protest was organised by a coalition of green groups and charities calling for action to prevent global temperatures rising more than two degrees centigrade, seen by many scientists as the threshold for dangerous climate change.

A member of the Danish Home Guard sets up barbed wire at a water canal along the Bella Center in Copenhagen.

The center is hosting the COP15 Climate Summit from December 7 to 18, which is seeing nearly 200 countries and some 100 world leaders try to agree a new treaty to cut global greenhouse gas emissions.

Steam billowing from the cooling towers of Vattenfall's Jaenschwalde brown coal power station is reflected in the water of a lake near Cottbus, eastern Germany.

Most world leaders are attending a climate summit in Copenhagen between December 7 and December 18, boosting chances that a new UN deal to fight climate change will be reached.

A Greenpeace volunteer wipes dirt from an ice sculpture representing Italian Prime Minister Silvio Berlusconi in Rome.

Environmentalists unveiled an ice statue of Berlusconi in the ancient Roman Forum ahead of the Copenhagen Summit. The statue was timed to melt away on December 7, the first day of the summit.

Members of NGOs stage a die-in protest before the opening of the United Nations Climate Change Conference 2009 in Copenhagen.