emissions, definition of

 The conversion of salt or brackish water into usable fresh water. Distillation is the most common commercial method; heat from the Sun or conventional fuels vaporizes brine, the vapor condensing into fresh water on cooling. Reverse osmosis and electrodialysis both remove salt from water by the use of semipermeable membranes; these processes are more suitable for brackish water. Pure water crystals may also be separated from brine by freezing.

The biggest problem holding back the wider adoption of desalination techniques is that of how to meet the high energy costs of all such processes. Only where energy is relatively cheap and water particularly scarce is desalination economic, and even then complex energy conservation procedures must be built into the plant.

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Related Tags: pollution, climate change

A limit placed on companies regarding the amount of greenhouse gases (or other polutants) it can emit.

This is a concept often used by policymakers in reference to the problem that emissions abatement achieved in one location may be offset by increased emissions in unregulated locations. Such leakage can arise, for example, in the short term as emissions abaters reduce energy demand or timber supply, influencing world prices for these commodities and increasing the quantity emitted elsewhere; and it can arise in the longer term, for example, as industries relocate to avoid controls.

 The conversion of salt or brackish water into usable fresh water. Distillation is the most common commercial method; heat from the Sun or conventional fuels vaporizes brine, the vapor condensing into fresh water on cooling. Reverse osmosis and electrodialysis both remove salt from water by the use of semipermeable membranes; these processes are more suitable for brackish water. Pure water crystals may also be separated from brine by freezing.

The biggest problem holding back the wider adoption of desalination techniques is that of how to meet the high energy costs of all such processes. Only where energy is relatively cheap and water particularly scarce is desalination economic, and even then complex energy conservation procedures must be built into the plant.

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Related Tags: emissions trading

 The conversion of salt or brackish water into usable fresh water. Distillation is the most common commercial method; heat from the Sun or conventional fuels vaporizes brine, the vapor condensing into fresh water on cooling. Reverse osmosis and electrodialysis both remove salt from water by the use of semipermeable membranes; these processes are more suitable for brackish water. Pure water crystals may also be separated from brine by freezing.

The biggest problem holding back the wider adoption of desalination techniques is that of how to meet the high energy costs of all such processes. Only where energy is relatively cheap and water particularly scarce is desalination economic, and even then complex energy conservation procedures must be built into the plant.

• 10:10 - 10 reasons carbon emissions trading does not work
  Carbon emissions trading does not work, we give you 10 solid reasons why it won't.

• Record drop for Australia's emissions: What's working and what isn't?
  Australia's emissions had the biggest drop ever this year outside the artificial kink in the curve during COVID-19 shutdowns, but there's still a lot of work to do.
• Record drop for Australia's emissions. What's working and what isn't?
  Australia's emissions had the biggest drop ever this year outside the artificial kink in the curve during COVID-19 shutdowns, but there's still a lot of work to do.
• 'We've hit the lottery': Businesses cash in on Labor's home battery rebate
  Consumers will see the price for home batteries slashed by the federal government. With a mandate to address climate change, investment in renewables is expected to soar.
• Keir Starmer to unveil ambitious new UK climate goal at Cop29
  Exclusive: Target is 81% emissions cut compared with 1990, but activists say it must be backed by plan of action
• Data center emissions likely 662% higher than big tech claims. Can it keep up the ruse?
  Emissions from in-house data centers of Google, Microsoft, Meta and Apple may be 7.62 times higher than official tally
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  Australia's iron ore industry goes hand-in-hand with China. But it is a South Korean company looking to stump up billions of dollars for this green iron facility. 
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  We have been measuring our organisation’s biodiversity footprint – here’s how we did it
• Energy transition titan Hugh Saddler’s quest to cut emissions leaves lasting legacy
  Hugh Saddler influenced a generation of researchers and policy-makers, not least through his involvement in the ACT’s 100% renewable energy transition

Related Tags: carbon trading