Virginia Lopez, correspondent for AL JAZEERA: Oil is Venezuela's lifeline. Ever since it was first pumped in 1914, oil has found a way of permeating every aspect of Venezuelan life. Initially it helped the backward, malaria-infested Caribbean nation out of poverty, and decades later nurtured a culture of easy wealth. And now - because Venezuela relies on oil for 95 percent of its revenue, and imports almost everything it consumes - the drop in the price of oil is challenging the government of the late Chavez's chosen successor, President Nicolas Maduro.
James Conca, scientist in the field of earth and environmental sciences. Contributor to Forbes: China now has more wind and solar energy than the rest of the world - combined. But transmission bottlenecks, coal’s undue influence, and market set-up have prevented large amounts of renewable electricity from reaching the Chinese grid. Renewables are increasing faster than the infrastructure to support them. So it’s not surprising that China would keep building huge hydro plants as well as tripling their nuclear power over the next decade. The largest power plants are nearly all hydro dams and nuclear.