Skip to Content

Backgrounds

Introductions to the topics


Do 97% of Climate Scientists Agree about Climate Change? (Hint: It’s Many More)

Written by , on January 24, 2016

Almost everyone seems to accept the often quoted claim that 97% of climate scientists agree that climate change is real and man-made – but is the figure accurate?  Read more »

Carbon Capture & Storage More Expensive than Thought

Written by , on January 5, 2016

Researchers at the University of Michigan have found serious flaws in previous statements about the economics of carbon capture and storage.  Read more »

Swamps Store Much More Carbon than Forests

Written by , on March 10, 2015

Freshwater wetlands could be up to 50 times more effective at storing carbon than rainforests. These wetlands have the potential to capture and store carbon for hundreds of years.  Read more »

Extinctions Happening 1,000 Times Faster than Normal

Written by , on March 9, 2015

The populations of mammals, birds, reptiles, amphibians and fish have declined by an average of 52%, over the 40 years from 1970 to 2010 – well on the way towards a mass extinction, which is defined as a loss of at least 75% of species.  Read more »

World’s Largest Bike Share – Hangzhou

Written by , on March 5, 2015

The scale of bike sharing in China, and Hangzhou in particular, dwarfs anything in the West. Hangzhou has a 50,000-bike system with 2,050 bike-share stations are spaced 300 metres apart in the city centre and less than 800 metres apart in the suburbs.  Read more »

Energy Payback from Wind Turbines Is 6 to 12 Months

Written by , on July 22, 2014

Researchers at Oregon State University have carried out an environmental lifecycle assessment of 2-megawatt wind turbines planned for a large wind farm.  Read more »

Becoming “Water Neutral”

Written by , on March 11, 2014

A number of companies and other organisations around the world, including CocaCola and Sainsbury's, have announced that they are striving to achieve "water neutrality". But how can a company like Coca-Cola, whose business is selling water, be water neutral? The term "water neutral" seems to suggest that the company is seeking to have zero net […]  Read more »

Declining Demand for Coal

Written by , on September 27, 2013

In a sign of the time. the U.S. Bureau of Land Management has turned down a bid of 21 cents a ton for the right to mine 167 million tons of coal in Wyoming. The bid is just 20% of the price paid for similar deposits a year ago and the lowest price since 1998. […]  Read more »

Insurance Industry Report Finds Increasiing Weather Catastrophes

Written by , on September 27, 2013

The leading international insurance and risk management think tank, has released a report showing that “ocean warming has effectively caused a shift towards a ‘new normal” for a number of insurance-relevant hazards’.  Read more »

Solar – a $77 billion Industry

Written by , on August 21, 2013

Bollomberg has created this short video of facts about the state of the solar industry. It emphasises how global solar energy capacity has soared in the past 5 years yet Earth's most abundant energy source still provides only a fraction of our total energy.  Read more »