Business Green: Green groups reacted with dismay last night to the historic economic rescue deal brokered at the G20 Summit in London, branding it a “missed opportunity” to secure meaningful action on climate change. While business leaders and anti-poverty groups welcomed the G20’s commitment to provide an additional $1.1tr to the World Bank and IMF and introduce tighter regulations on tax havens and hedge funds, green campaigners were left disappointed by the final agreement’s failure to deliver any …