A high level, international panel has done the numbers that it says show it makes economic sense to fight climate change. The new report comes from the Global Commision on the Economy and Climate. In a sense, tugging the other way, is this: A year ago today, the head of the American Automobile Association said sub-3 dollar a gallon gasoline in America “may be history.” Well don’t look now, but a global glut of oil has pushed down the average price to $3.39 and falling. Plus, some private insurance companies reimburse doctors for end-of-life conversations. Now, Medicare is considering paying for these. How some technology companies that are coming up with organized ways for people to spell out their medical wishes when the end comes.