climate change

What the frack?

Credit: bufivla @flickr

The story

Fracking is a controversial way of mining for natural gas reserves that are buried deep underground in layers of rock. It is been banned in some countries but is being carried out in the USA and UK. A few weeks ago the scheme got the green light to be extended in the UK. More

Global warming in fast-forward

This video comes courtesy of NASA and shows how global temperatures have changed over the last 131 years.  It would make a great starter to any lesson on climate change.  You can clearly see that temperatures started to showed a significance increase from the 1970s due to an increase in greenhouse gas emissions from energy production, industry and vehicles. Students could be asked to spot this trend and come up with an explanation for it.

Mega-crabs

 

This spooky video shows the giant red crab which have invaded Antarctic waters due to increased water temperatures: an example of how changes in non-living factors can alter the distribution of organisms.  This invasive species has the potential to destroy the delicately balanced food webs in this ecosystem.

Cement gets a green makeover

Image: MManson

Global cement production accounts for about 2 billion tonnes of CO2 every year – that’s 5% of all CO2 emissions and more than the entire aviation industry.
Now a company has come up with a way of producing cement actually reduces carbon dioxide emissions. More

Monitoring the melting ice

arctic ice meltClimate change has been a hot (pun unintended) topic in the news recently.  The latest UN climate talk opened on Friday, with the hope of reaching the global treaty that the Copenhagen talks in December failed to produce. More