. >>> nathaniel smith was sentenced today for five years probation and a year in jail.he received the same sentence yesterday in sonoma county. the san mateo judge said he believes he set fires for the thrill. >>> bay area climate scientists pointed to the heat wave and said extreme weather continues to become the norm. john fowler reports. >> reporter: it's hot and getting hotter. part of weather patterns that are now condensing. >> oh yeah, the climate changes is what's doing it. >> reporter: north of palm springs may hit the world's hottest ever, 134 degrees by monday. from our weird winter and spring rains and early may fires, to record canadian floods. and last year's super storm sandy unlike anything in seven centuries. carnegie institution institute says we're in unprecedented extreme weather. >> absolute proof that climate change caused a change is not yet available. but the big picture is a climate change picture. increased possibility of extreme events. >> storm surges that may wreck our coastline. climate change expert showed me today this new assessment of o

. >>> nathaniel smith was sentenced today for five years probation and a year in jail.the same sentence yesterday in sonoma county. the san mateo judge said he believes he set fires for the thrill. >>> bay area climate scientists pointed to the heat wave and said extreme weather continues to become the norm. john fowler reports. >> reporter: it's hot and getting hotter. part of weather patterns that are now condensing. >> oh yeah, the climate changes is what's doing it. >> reporter: north of palm springs may hit the world's hottest ever, 134 degrees by monday. from our weird winter and spring rains and early may fires, to record canadian floods. and last year's super storm sandy unlike anything in seven centuries. carnegie institution institute says we're in unprecedented extreme weather. >> absolute proof that climate change caused a change is not yet available. but the big picture is a climate change picture. increased possibility of extreme events. >> storm surges that may wreck our coastline. climate change expert showed me today this new assessment of ocean acidity