The Trump administration next week plans to formally propose a vast overhaul of climate change regulations that would allow individual states to decide how, or even whether, to curb carbon dioxide emissions from coal plants, according to a summary of the plan and details provided by three people who have seen the full proposal. The plan would also relax pollution rules for power plants that need upgrades. That, combined with allowing states to set their own rules, creates a serious risk that emissions, which had been falling, could start to rise again, according to environmentalists. The proposal, which President Trump is expected to highlight Tuesday at a rally in […]