western states problem. >> 100,000 acre fire is becoming the norm. >> look to climate change, he said. at sonoma state university, professor matthew clark wondered why the president wouldn't mention that subject. >> in the science community, it is reality. there's data to support it. having a president that acknowledges the data and the reality to face our complex problems, yeah, i think you would have more credibility. >> dr. clark specializes in mapping the fuel in wild land regions. part of the problem, he says, our tendency in the state to build homes in those areas that historically tend to burn. in sonoma county, wayne freedman, abc 7 news. >>> wayne, thank you. >>> do you remember this dramatic video from last thursday. hard to fofrmrget. a truck hauling plywood. the driver walked away without a scratch. but the cleanup from that crash, it continues. the truck was pulled up last tuesday. but cal trans crews extended the cloefsh you are of route 175 through tomorrow. chp says if the driver heeded multiple signs warning of length restrictions for semi trucks, this could have been avoided. >