Gigantic animals that once roamed Australia were mostly extinct by the time humans arrived, a new study has shown.
		
	 
	
		
		In other ages, states sought to seize as much power as they could. Today, the self-hating state renounces its powers.
		
	 
	
		
		Scientists are struggling to explain a slowdown in climate change that defies a rise in global greenhouse gas emissions.
		
	 
	
		
		Activists have planted a flag at the North Pole along with signatures calling for the Arctic to be declared a sanctuary protected from oil drilling.
		
	 
	
		
		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.
		
	 
	
		
		Landmarks and skylines were plunged into darkness as lights around the world were switched off for ‘Earth Hour’ to raise awareness of climate change.
		
	 
	
		
		Short-termism is pushing the world towards a 2C temperature increase by 2050. Humans will have to adapt on the go, constantly repairing damage.
		
	 
	
		
		Actuarial scientists could lead the world’s economies down a catastrophic path if they ignore future resource constraints, driven by climate change.
		
	 
	
		
		Temperatures in the United States have reached record levels, making 2012 the hottest year to date.
		
	 
	
		
		The debate over whether humans are driving climate change should be over. We need to start talking about adapting to this change, writes Sipho Kings.
		
	 
	
		
		Last year provided a wealth of meetings and conferences with minimal outcomes, while catastrophes continued to show how the climate is changing.
		
	 
	
		
		The UN climate talks in Doha have yet to produce a deal the day after their scheduled close, with negotiators locked in a stand-off about funding.
		
	 
	
		
		Adaptation is woefully lacking among South African businesses as the scale of climate change impact grows, writes Dr Alec Joubert.
		
	 
	
		
		If the world wants to survive the global crisis, it needs renewable energy and green-tech solutions, says Mark Swilling.
		
	 
	
		
		COP 18 started with minimal expectations, but after 11 days of negotiations, the big issues are still to be resolved
		
	 
	
		
		The World Bank has offered a sobering look at a world where temperatures are allowed to increase past the 4 degrees Celsius mark.
		
	 
	
		
		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.
		
	 
	
		
		Rich nations are dismaying developing countries with pledges merely to continue aid to help them combat climate change in 2013.
		
	 
	
		
		Often touted as a solution to climate change, forests actually threaten Africa’s savanna ecosystems, writes Kimon de Greef.
		
	 
	
		
		Bee farmers in Vietnam are being forced to change decades of best practice to deal with a changing climate, writes Mike Shanahan.
		
	 
	
		
		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.
		
	 
	
		
		It is time for farmers around the world to sound the alarm on climate change, writes Jay Naidoo.
		
	 
	
		
		With less than 10% of the Caribbean’s reefs showing live coral cover, one of the world’s most important ecosystems is in danger of utter devastation.
		
	 
	
		
		Karl Marx noted that the last capitalist would sell the rope used for his own hanging and the burying of the system.
		
	 
	
		
		Global climate talks are edging closer to finalising mechanisms that will steer funding to developing countries to grow low-carbon economies.
		
	 
	
		
		With food prices already soaring around the world, the future looks bleak for SA, too, as the price of staple foods could more than double by 2030.
		
	 
	
		
		Endless global conferences with progressively weakening outcomes are lessening hope that global temperature increases can be reined in at 2C.
		
	 
	
		
		A spirit of determination has prevailed at the UN press briefing about the Rio+20 conference which will take place in Brazil later this year.