A report on greenhouse gas emissions says just 90 carbon emitters, some of which are South African, are reponsible for two-thirds of global emissions.
Levies have reduced emissions and, with a few tweaks, their economic effects will be manageable.
The food being wasted yearly adds to the earth's carbon emission and means that large amounts of land is used to grow food that is not consumed.
Research shows that the global concentration of CO2 emissions has risen to a level not seen in two million years.
A commonly held view is that the private sector has large amounts of capital and is not investing it in low-carbon and other development projects.
Levels of carbon dioxide in the atmosphere have hit 400 parts per million, a level not seen in two-million years.
The heatwaves, flooding and bush fires striking Australia have already been intensified by climate change and are set to get worse, says a new report.
The carbon tax is unique in that it encourages companies to lower their carbon intensity, and create a resource efficient economy, says experts.
In an accidental discovery, scientists have found that sea urchins could provide a cheap and sustainable solution to carbon emissions.
But several major signatories are refusing to expand emissions cuts when the agreement expires, writes Fiona Macleod.
Climate talks got down to the nitty-gritty in Doha as developing countries and the EU staked out rival positions on the fate of the Kyoto Protocol.
Local companies are matching the world's best in declaring their carbon emissions, and doing something about them.
The solution to widespread carbon dioxide emissions is to turn the gas into a commodity, experts say. And it can be done with available technology.
SAA has introduced a voluntary carbon-offset programme.
China has agreed to work with the EU to create its own carbon trading system. This will create a large pool of funding for sustainable development.
A report has found the economic impact of global warming is costing the world more than $1.2-trillion a year, wiping 1.6% annually from global GDP.
The effects of climate change are accelerating and the collapse of mitigation trade has implications for emissions reduction.
Karl Marx noted that the last capitalist would sell the rope used for his own hanging and the burying of the system.