Telegraph (UK): Global warming is happening faster than expected and planet-wide engineering projects may be needed to buy humans more time, a leading scientist has warned. James Lovelock of Oxford University says schemes to reflect sunlight from the atmosphere or increase the uptake of the greenhouse gas CO2 by the oceans should be considered to hold back disastrous climate change. But the scientist also warned that such projects may do more harm than good and argues the best option could be …