 collected data on the ground, not with satellites, there were surprises at every corner. And even today, most of the oil and gas companies have a very incomplete understanding of how much they're being emitted. So the key is to provide high quality data. We do not have enough high quality data about greenhouse gas emissions across the board. Is it just the oil and gas companies or are we seeing methane as a byproduct when it comes to the decomposition of trash at landfills?