Business Green: Low carbon projects in emerging markets were given a huge boost this week after the world’s largest public environmental fund pledged that it would invest a record $4.25bn (£2.86bn) over the next four years. The commitments by 30 donor countries to the Global Environment Facility (GEF) during a session in Paris yesterday marks a 52 per cent increase in new resources for the facility, to help developing countries tackle climate change. GEF Chief Executive Monique Barbut said the …