Big Carbon is replacing Big Oil as the go-to investment of the energy sector. The following is featured in our latest Climate Finance Weekly newsletter. The era of Big Carbon has arrived. By “Big Carbon,” I mean those clean energy companies whose current valuations and future prospects are attracting increasingly large amounts of capital inflows from the finance community. Faster than you may realize, they will supplant the “supermajors” — as the largest oil and gas companies have been known for decades. That means investment is being sucked out of…