 point where now we are actually getting this carbon tax. And it could be a vital strategy. Gases released from the burps and backsides of barnyard animals account for about 32% of human-caused methane emissions. So says the United Nations Environment Programme. And stealing a march on methane is a must. The gas traps even more heat than carbon dioxide, a major contributor to global warming and current climate change trends. So David, how's the tax going to work?