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Could increase the risk of cancer. it's already affecting the international space. station when the crew of the i assess flies over the so-called south atlantic anomaly with the earth's magnetic fields especially weak they're exposed to far greater quantities of radiation than they are in other areas. the experts from the german research center for geosciences are following up on a hunch that could have even more serious implications here in potsdam the researchers are evaluating the latest data they believe it shows that the earth's magnetic poles could one day reverse. this means that the ma...

After using new calculations of the gases escaping the oceans woman or oceans lead to the deaths of marine wildlife in coral reefs and poles ice sheets to melt more quickly or we want to bring in now respond the she is assistant professor of geosciences at princeton university she is also the lead author of this new study professor it's good to have you on the show you were study is based and i think this is key here on a new method of measuring ocean temperature what what is so different here. thank you for having me so yes ocean warming has been measured for a few decades now using ocean tem...

Bustin hot issues. on the island of. sebastian we've just heard in our report that authorities are facing criticism over the apparent failure to want people of the tsunami why. well there is this tsunami early warning system in place ever since that devastating tsunami back in two thousand and four which killed more than two hundred thousand people in this region so. usually when a tsunami comes then this system would sound an alarm now in this case that didn't happen actually you know in this case that did happen but didn't reach the people so the german center for geosciences which is involv...

. >> we are now on the leading edge of climate change with more to come. with me is dr. michael oppenheimer, veteran of climate wars. he is now a professor of geo sciences at princeton university. in 007 he was part of a group of scientists that won the nobel peace price for their work on climate control. thank you for being here. >> thank you for having me. >> if we say, we are heading to 2 degrees, 3 degrees, 4 degrees of warming. if i sit in the room and change the thermostat from 68 to 7 2, i take off my jacket, and that's not a huge amount. >> what hurts us and makes us vulnerable to clim...

>> shepard: 86 days later, more on the top stories. the delays in the work to stop the oil leak in the gulf. look at the site of the leak. there it is, your oil gusher. around this time yesterday we were reporting about a new cap that bp installed on the well. it's still there but not doing anything. bp reports the government told had to delay testing because of the worries of what could happen. oil executives stopped drilling the primary relief well. why the delays? when do they get back on track? we're not getting any answers from bp or the government. here with us to figure it out, director...