that if all the pledges are carried out some real progress will be made. here's a tweet by the agency president. heather zyekal is the ceo of the clean power association and a former adviser to president obama. we have seen enhanced commitments from individual countries but we have also seen the methane pledge from over 100 nations that includes a commitment to reduce methane emissions 30% by 2030. those two things in and of themselves have already allowed the analysis to show that we will be able to hold our