Climate News Network: János Áder, the President of Hungary,has become the first head of state to join the Live Earth: Road to Paris campaign that aims to ensure world leaders agree to a binding deal on tackling climate change.
The specific aim is to get a billion signatures from concerned citizens before the UN climate change conference in Paris in December, but organisers are also keen to get as many politicians and celebrities as possible to back the campaign.
The Road to Paris campaign was launched in January...