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NOAA predicts sea level will rise 0.2 to 2 meters by 2100
December 6, 2012 12:23 PM - ClickGreen Staff, ClickGreen
The worst potential scenario for sea level rise around the US coastline this century is more than two meters, says an authoritative report issued today by NOAA's Climate Program Office. Regardless of how much warming occurs over the next 100 years, sea level rise is not expected to stop in 2100. More than 8 million people in the US live in areas at risk of coastal flooding. Along the Atlantic Coast alone, almost 60 percent of the land that is within a meter of sea level is planned for further development, with inadequate information on the potential rates and amount of sea level rise.
Hydrogen could help cut emissions and boost wind and solar power
December 5, 2012 02:22 PM - ClickGreen Staff, ClickGreen
A new report reveals the significant potential for using hydrogen to reduce carbon dioxide emissions and improve the efficiency of renewable technologies, including wind and solar power.
Magnetic Fields from Antarctic research stations a potential problem
December 4, 2012 06:23 AM - ClickGreen Staff, ClickGreen
Antarctic research stations could be adversely affecting the local environment by emitting magnetic pollution, a new study has found. A new aerial survey is the first to research and assess the possible impact of a research station in Antarctica on magnetic fields. Estimations indicated that the station generated a magnetic field that extends up to 650 metres from the station with a peak strength of 2800 nanotesla (nT) within 100 metres from the station on the ground. This may have implications for organisms in Antarctica that are negatively affected by magnetic fields but the report's authors say further research is needed to investigate this.
Children cite 'pollution' as greatest environmental concern
November 21, 2012 02:33 PM - ClickGreen Staff, ClickGreen
A comprehensive survey of youngsters from around the world has discovered the biggest concern they have about the environment they live in is pollution. The global poll of more than 6,000 children in 47 countries found that, although almost one in three 10-to-12-year-olds had personally experienced such catastrophes as drought, flood or fires, their most pressing ecological concern is not natural disasters but the growing threat of pollution.
Emissions Gap report warns of urgent need for climate change action
November 21, 2012 06:40 AM - ClickGreen Staff, ClickGreen
Action to tackle climate change needs to be urgently scaled up if the world is to have any chance of keeping a global temperature rise below 2 degrees C this century, according to UN Environment Programme (UNEP) research. The Emissions Gap Report, coordinated by UNEP and the European Climate Foundation, and released days before the convening of the Climate Change Conference of the Parties in Doha, shows that greenhouse gas emissions levels are now around 14 per cent above where they need to be in 2020. Instead of declining, concentration of warming gases like carbon dioxide (CO2) are actually increasing in the atmosphere-up around 20 per cent since 2000.
Owl wings may inspire new design for quieting aircrafts
November 19, 2012 01:12 PM - ClickGreen Staff, ClickGreen
Airlines and airports could soon be relying on nature for a unique way to reduce noise pollution after researchers found owl feathers are designed to minimize sound while in flight. Owls have long been known to have the uncanny ability to fly silently, relying on specialized plumage to reduce noise so they can hunt in acoustic stealth. Now researchers from the University of Cambridge, England, are studying the owl's wing structure to better understand how it mitigates noise so they can apply that information to the design of conventional aircraft.
Male motorists are more likely to drive in a more environmentally friendly manner than females, according to the surprising results of a new survey. And more men than women say they will only use a car when cycling, public transport or walking are not an option. The new research, published today, also reveals that the rising cost of car ownership is forcing a new approach to mobility, with almost two-thirds (65 per cent) of UK drivers admitting that they have changed their motoring habits in light of the recession and rising fuel costs, and 30 per cent of motorists now only use their car for essential trips.
New research finds mine waste could provide an effective CO2 trap
November 15, 2012 08:30 AM - ClickGreen staff, ClickGreen
It's time to economically value the greenhouse gas-trapping potential of mine waste and start making money from it, says mining engineer and geologist Michael Hitch of the University of British Columbia (UBC). Hitch studies the value of mine waste rock for its CO2-sequestration potential, or "SP." He says mining companies across Canada will, in future, be able to offset CO2 emissions with so-named "SP rock," and within 25 years could even be selling emissions credits.
Are Greenhouse Gas Emissions Delaying the Start of an Ice Age?
November 13, 2012 07:38 AM - ClickGreen Staff, ClickGreen
Mankind's emissions of fossil carbon and the resulting increase in temperature could prove to be our salvation from the next ice age. According to new research from the University of Gothenburg, Sweden, the current increase in the extent of peatland is having the opposite effect. "We are probably entering a new ice age right now. However, we're not noticing it due to the effects of carbon dioxide", says researcher Professor Lars Franzén. Looking back over the past three million years, the earth has experienced at least 30 periods of ice age, known as ice age pulses. The periods in between are called interglacials.
Growth of Renewables will continue with continued subsidies
November 12, 2012 03:10 PM - ClickGreen Staff, ClickGreen
The International Energy Agency predicts renewables will become the world's second-largest source of power generation by 2015 and close in on coal as the primary source by 2035. But according to the 2012 edition of its flagship publication, the World Energy Outlook, the agency warns this rapid increase is critically dependent on continued subsidies. It says in 2011, these subsidies (including for biofuels) amounted to $88 billion, but over the period to 2035 need to amount to $4.8 trillion; over half of this has already been committed to existing projects or is needed to meet 2020 targets.