flipping of 2049 to 2050 on green wooden block cube for the target year of zero carbon emission from kyoto protocol which it is

2049 2050 agreement business carbon dioxide change chemical clean climate cloud co2 commitment control credit decarbonize decrease development earth eco ecology economy emission energy environment finance financial footprint friendly gas global green greenhouse growth industry investment kyoto limit low neutral process protocol recycle reduce reduction removal storage sustainability waste zero flipping wooden block cube target year concept