21.   This would reduce carbon emissions and would also provide alternative uses for farm surpluses.

22.   The US Administration has again warned that it will refuse to sign any international treaty on cutting carbon emissions.

23.   He favours the use of fiscal incentives alongside regulation, particularly in the fields of carbon emissions and road haulage.

24.   And Republicans would no doubt go to the barricades before approving a brand-new tax on carbon emissions.

25.   A reduction in carbon emissions in the developing world, they assert, will be at the expense of the rich nations.

26.   A strategy that used international trading to focus on containing carbon emissions in developing countries would also pay local dividends, like reducing urban pollution.

27.   About half of carbon emissions are eventually absorbed by natural carbon sinks in the oceans and on land.

28.   Even if skeptics dismiss the impact of carbon emissions on the climate, oil and gas exploration companies cast a wary eye seaward.

29.   Either way there can be real environmental gains in terms of carbon emissions into the atmosphere.

30.   Going against its ally on a major issue like carbon emissions does not come naturally for Tokyo.