The ETS has achieved its objective of reducing emissions by the required amount at least cost.

The consequences of the failure are already apparent the price of emission rights in the European Union Emission Trading System has fallen, which means that firms will have less incentive to reduce emissions now and less incentive to invest in innovations that will reduce emissions in the future.

But, while emissions in the rich nations were far above the permissible limit, Sri Lankan emissions were, at 660 kilograms, well below it.

The third broad lesson from the ETS is that multinational emissions trading regimes can be constructed.

Will Cap and Trade Incite Protectionism?

Countries are being pressed to cut emissions by 2020 by certain percentage targets, without much serious discussion about how the cuts can be achieved.

The so called emissions trading system aims to control carbon emissions by allocating tradable permits.

To reduce mercury pollution of international waters by emissions emanating from small scale gold mining

The data confirmed that additional actions were clearly required to curb emissions.

Developing and developed nations alike must invest in reducing emissions.

Put another way, for each person saved from malaria by cutting CO2 emissions, direct malaria policies could have saved 36,000.

China has engaged only very reluctantly in the global effort to bring down overall emissions.

Obama needs to make the US a leader in reducing emissions.

It has demonstrated that a cap and trade system can reduce CO2 emissions at least cost, that the side effects are not serious, and that multinational cap and trade systems can be constructed.

At the very least, markets like ETS should credit emissions reductions that result from limiting deforestation.

A cap and trade system can cause serious risks to international trade.

Cutting carbon still costs a lot more than the good that it produces.

Global agreements to cap tariff rates or reduce toxic emissions are indeed valuable.

A second major policy thrust is a cap and trade system to reduce carbon emissions.

A cap and trade system can seem like a neat market solution.

A developed nation cannot meet carbon emission targets by outsourcing its dirtiest production to a developing country, and a developing country cannot meet its targets by chopping down forests to build the plants or expand low productivity agriculture.

Both would achieve these ambitious cuts by the same method a cap and trade system that imposes limits on industry emissions and forces businesses to buy rights to any additional emissions.

That, in turn, would provide economic incentives for firms to reduce their emissions.

Importantly, the new research shows that adaptation would achieve a lot more than cuts in carbon emissions.

The second lesson is that the side effects of the ETS are few.

Campaigners for carbon emission reductions regularly highlight the melting snow and ice of Mount Kilimanjaro.

The need for concerted action to limit greenhouse gas emissions is beyond doubt.

This would not cut carbon emissions spectacularly, but nor would it be a spectacular waste of public funds.

The rules governing the use of the Drag Reduction System (DRS) have been altered.

Nonetheless, the reduction in CO2 concentration and hence temperature in 2100 will be greater from the future reductions.

There are two fundamental reasons why a focus on reducing carbon emissions is the wrong response to global warming.

The cap and trade system thus imposes a carbon tax without having to admit that it is really a tax.

In fact, the world s per capita emissions were 4,700 kilograms, or more than double the permissible limit.

Roughly half of the reporting Parties also identified measures to limit emissions and enhance removals by sinks in the LUCF sector.

But, as with malaria, all of the evidence shows that direct policies are much more effective than carbon cuts.

Exposing the domestic economy to global markets unlike curbing emissions at home brings its own rewards.

All President Hu really said was that China would now endeavour to curb its carbon emissions by a notable margin.

And China and other developing countries will be expected to do their share to reduce carbon emissions and slow the pace of global climate change.

While the ETS is often criticized and sometimes characterized as a failure, a sense of perspective is always required.

Forests and plants remove carbon from the atmosphere, potentially accounting for more than 40 of carbon abatement opportunities between now and 2020.

We need to make emission cuts much cheaper so that countries like China and India can afford to help the environment.

Consider California, which at the beginning of this year launched a cap and trade system that aims to reduce carbon emissions to 1990 levels by the year 2020.

The co chair also suggested that the Parties might wish to consider adding methyl bromide to the list of chemicals covered by that exemption. Finally, he suggested that a workshop on the issue of laboratory and analytical uses could assist the Parties in limiting emissions and finding alternatives.

Through conservation agriculture practices, farmers contribute to reducing emissions while combating land degradation.

For the first time ever, developed and developing countries acknowledged their responsibility to curb emissions of greenhouse gasses and agreed on the goal of limiting global temperature rise to below two degrees Celsius.