david doniger.tists have talked about pipeline that burst in california that put out more methane, that you could imagine, more than any coal company would of or more any coal-burning plant. -- some personst just right off the bat caught it and saw this.lens and then to top it all off, you volcanoes erupting all over you orld now, how are supposed to, you going to put a nature? mother guest: what matters, difference human activity makeos top of happens naturally. volcanoes there are from time to time, what matters is tremendous amount of our tion that comes from taking fuels that were tucked underground for millions of and and burning them putting them in basically dioxide in the atmosphere. it is like taking hamburger out letting it er and spoil. huge.eak in california was it had to be stopped. it was no match for the from our power plants. host: a tweet from a viewer with sea of tranquillity, what is the perfect co2 concentration best weather possible, what is the target? uest: well, if we had per

good from georgia, morning, republican line with david doniger. caller: goo >> as to whether you know, the scientists are correct because it's been, only in history weather patterns, we may have gone through this many times and i agree with the one caller that in the 70s they talked about a new ice age but my other side of the coin is i read the farmer's almanac and they say global warming cannot be real because squirrels are no longerhiding their nuts . >> i'm aware that the gardening society, they publish a map of the zones where it's appropriate to plant certain kinds of flowers and vegetables and the zone map, they changed the zone map because the weather patterns are changing. people say well, the weather changes but the city of norfolk and the naval base on the coast, we built it where the coast is and the coast is moving backwards into the land because the seas are rising, the military recognizes they have a tremendous problem sustaining that base and the city realizes they have a problem. there are times in miami that, and inundate the str