Preposition: of

• pollutant: These offer reduced fuel consumption and CO2 with potentially lower emissions of all pollutants.

• dioxide: They want to know how people think emissions of carbon dioxide will change over the next 100 years.

Converse of object

• reduce: Each stove reduces carbon dioxide emissions by around 1.5 tons per year, compared to an open wood fire.

• curb: It is believed Mr Blair will outline key future policies aimed at curbing the emission of the greenhouse gases that cause global warming.

• cut: Energy saving is often the easiest way to cut carbon emissions.

• offset: We will now offset the carbon emissions we produce with an annual tree planting, making us a carbon neutral company.

Adjective modifier

• co2: Britain wants to cut CO2 emissions by 60 percent by 2050.

• harmful: Cyclists also benefit from being able to queue away from harmful exhaust emissions.

• particulate: High efficiency electrostatic precipitators or fabric filters can reduce particulate emissions to low concentrations.

Modifies a noun

• tomography: Additional skeletal lesions were found by whole-body positron emission tomography.

• trading: A robust EU emissions trading scheme can be a template for a global scheme or a network of carbon trading relationships.

• reduction: Disney to give for emission reduction online products including.

• spectra: Specific Vitamin Links Tryptophan - the absorption and fluorescence emission spectra.

• inventory: The training has been extended from the 2 day training package with a view to incorporating emissions inventory training with the ADMS-Urban training.

Noun used with modifier

• carbon: For every minute my car engine was running, i was giving out X quantity of carbon emission.

• greenhouse: The damage already done to the climate by man's greenhouse gas emissions will affect us for the next 1,000 years.

• dioxide: Each stove reduces carbon dioxide emissions by around 1.5 tons per year, compared to an open wood fire.

• gas: The damage already done to the climate by man's greenhouse gas emissions will affect us for the next 1,000 years.

• exhaust: Cyclists also benefit from being able to queue away from harmful exhaust emissions.

• positron: The advent of positron emission particle tracking ( PEPT ) has now made this possible.