Sunday Telegraph: Britain’s Prince Charles will warn this week that nations have “less than 100 months to act” to save the planet from the damage caused by climate change. He will say the need to tackle global warming is more urgent than ever and that even in a recession the world must not lose sight of the “bigger picture.” His warning will be delivered in a speech in Rio de Janeiro. Aides believe it will echo one he gave in Sao Paulo in 1991 at the start of the last recession, when he warned …