Stanford’s Mark Jacobson and Mark Delucchi made headlines at the end of November for their pronouncement that 100 percent renewable energy is possible in most countries. The publication came out in time for the COP 21 conference in Paris. The findings do not overlap with what researchers in Germany publish. Craig Morris explains. Back in 2009, Jacobson and Delucchi began publishing reports on 100 percent renewable energy worldwide (PDF and PDF). In November, the researchers published their latest update (full PDF). A presentation is also available at the 100.org website, which openly states it is a “campaign.” The main point that Jacobson are making at the COP 21, according to an article in Scientific American, is that “international agreements to reduce carbon dioxide emissions… would not even be needed if countries switched wholesale to renewable energy.” The message is excellent. But what if their specific proposal for 100 percent renewable energy looks much different from others? Below, we see their breakdown of energy sources for 100 percent renewable energy in Germany. The omission of biomass … Continue reading 100 percent renewables in 139 countries