when i started studying they said we'd never top the 400 p p. m. mark that we did everything under control with counter measure sonoma, but as you can see, that's unfortunately not the case so far. private comp and all setting deals so primarily being one thing. and one thing only business days made no noticeable impact on this bill shop the rising concentrations of atmospheric c o 2 does this to ashad if i know truly to v as a to up leave out the marks and see if it's you. that's very unfortunate because the private market would be highly efficient if it were closed. if you look back over the last 10 years, you can see that emissions have risen less quickly than was predicted 10 years ago . when you think in recent years, there have been meaningful climate policy measures regulation to be you emissions trading system and new technologies. but we can also clearly see that this private certificate, the trading that has contributed little if anything was bad, talked about. and it will help more than that. the piece in which emissions are being reduced is