Heat pumps use electricity to transfer warmth from outside to inside a house.
Victoria's $800 million energy efficiency plan promises to lower power bills, make homes more comfortable and help meet our climate goals. It's high time other states picked this low-hanging fruit.
As the UK heads into a recession, here are some simple - and cheap - tips to reduce utility bills and make less of an impact on the planet.
Builders compete for customers by touting the features of their homes. Some builders promote 'six-star' home energy ratings in ways that could mislead consumers and breach Australian Consumer Law.
An innovative method of carbon capture and storage could substantially reduce the emission of small industries while using geothermal energy to heat homes and thus replacing fossil-fuel energies.
Natural gas supplies are growing, but so are other markets for it besides power generation.
Canadians will start paying for their carbon emissions this year, but the cost will depend on where they live.