U.S. climate envoy John Kerry cautioned against investing in long-term gas projects in Africa as countries in the region, some hoping to tap recent oil and gas discoveries, wrestle with how to power their development with clean energy. “We are not saying no gas,” Kerry told Reuters on the sidelines of an African environment ministers’ conference in Dakar, Senegal, on Thursday. “What we are saying is, over the next few years, gas replaces coal or replaces oil,” the former secretary of state and Democratic presidential candidate said, adding that gas can be used as a transition to cleaner energy sources. But after 2030, it will be important to capture the emissions from gas too, Kerry added. Continued financing of oil and gas projects in Africa has become a key issue for the countries, which they plan to push during a United Nations climate summit […]