Associated Press: Goals on reducing greenhouse gases announced by major industrialised nations are a step forward, but not enough to forestall the disastrous effects of climate change by the middle of this century, UN officials said yesterday. Janos Pasztor, the top climate adviser to the UN secretary general Ban Ki-moon, said the goals, submitted to the UN as part of a voluntary plan to roll back emissions, make it highly unlikely the world can prevent temperatures from rising above the target set at …