Bok
05-16-2013, 02:43 PM
Carbon dioxide levels in the atmosphere have touched 400 parts per million for the first time in at least 800,000 years. The jagged saw-toothed line of the Keelings' father-and-son measurements climbed above that milestone briefly this month before the budding growth of the Northern Hemisphere's spring began sucking CO2 back out of the sky. But human greenhouse gas pollution looks set to continue to rise--and photosynthetic plants on land or at sea can only do so much. As greenhouse gas levels increase further, could machines help wash the skies of the excess CO2? [More] (http://www.scientificamerican.com/article.cfm?id=prospects-for-direct-air-capture-of-carbon-dioxide)
http://images.pheedo.com/images/mm/digg.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:f172c75733509bec0e1aa1ae562414ed:7my8XRPI6gKF1%2FmrXCeGdemhHAQRaYi7jQH 6fotdT4RDkFyfiz3PVxynuq%2B%2BFobYF%2B6XDHtn7iQGrg%3D%3D) http://images.pheedo.com/images/mm/stumbleit.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:154c9e2020e703e6420e5518f240727a:4IPthpjeq3pzRgC9l4KYztlmkWhznU3tg6Qis Cda1ndMoQK%2BT8OD5CVZh1fV7xKQWQAy0zRnqcxd6mQ%3D) http://images.pheedo.com/images/mm/reddit.png (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:b157eac21c8dea03d2257d6acafb2be1:qaQjMLn7E7GvZ3cjSz5uUyxIyrp1px36OS%2F X2OELaDGzbjj2IjP71AWZMWFQd5BtvxUOMjp6mvk3rw%3D%3D) http://images.pheedo.com/images/mm/facebook.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:e6f20cb3ccded1352f4ab6b3b5201c23:2XM6sYiNHUXb2QvtVha6Kg5sE6F71%2BP4220 ttQMO3Yf0RiAapz6joan4g%2FuHkMzhgZDklz2IIMoq1rk%3D) http://images.pheedo.com/images/mm/delicious.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:7af3917bcbbecad89022662bed8668c7:xcohT0l3oLSt2f3WL36qflRVo7Jp0tJ9IfPeO OaKhXjBoRkVOmX5kEKb5dZRXYMNMMFeG1ye6wq8kg%3D%3D) http://images.pheedo.com/images/mm/emailthis.png (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:3cb1f804f399d755fc08e755a1a05a71:0oibHP3I94PH7GuatEcp8MDudHSFzedVT6UqM dYeJiksM6BhJiW7SuUj9UcHSV1PUGwfl5d7x%2B71zQ%3D%3D)
http://ads.pheedo.com/img.phdo?p=1 (http://ads.pheedo.com/click.phdo?p=1)http://tags.bluekai.com/site/5148http://insight.adsrvr.org/track/evnt/?ct=0:5wz49e9&adv=wouzn4v&fmt=3
More... (http://rss.sciam.com/click.phdo?i=512c82c4dabd472f660700ef6c3038bf)
http://images.pheedo.com/images/mm/digg.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:f172c75733509bec0e1aa1ae562414ed:7my8XRPI6gKF1%2FmrXCeGdemhHAQRaYi7jQH 6fotdT4RDkFyfiz3PVxynuq%2B%2BFobYF%2B6XDHtn7iQGrg%3D%3D) http://images.pheedo.com/images/mm/stumbleit.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:154c9e2020e703e6420e5518f240727a:4IPthpjeq3pzRgC9l4KYztlmkWhznU3tg6Qis Cda1ndMoQK%2BT8OD5CVZh1fV7xKQWQAy0zRnqcxd6mQ%3D) http://images.pheedo.com/images/mm/reddit.png (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:b157eac21c8dea03d2257d6acafb2be1:qaQjMLn7E7GvZ3cjSz5uUyxIyrp1px36OS%2F X2OELaDGzbjj2IjP71AWZMWFQd5BtvxUOMjp6mvk3rw%3D%3D) http://images.pheedo.com/images/mm/facebook.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:e6f20cb3ccded1352f4ab6b3b5201c23:2XM6sYiNHUXb2QvtVha6Kg5sE6F71%2BP4220 ttQMO3Yf0RiAapz6joan4g%2FuHkMzhgZDklz2IIMoq1rk%3D) http://images.pheedo.com/images/mm/delicious.gif (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:7af3917bcbbecad89022662bed8668c7:xcohT0l3oLSt2f3WL36qflRVo7Jp0tJ9IfPeO OaKhXjBoRkVOmX5kEKb5dZRXYMNMMFeG1ye6wq8kg%3D%3D) http://images.pheedo.com/images/mm/emailthis.png (http://www.pheedcontent.com/hostedMorselClick.php?hfmm=v3:3cb1f804f399d755fc08e755a1a05a71:0oibHP3I94PH7GuatEcp8MDudHSFzedVT6UqM dYeJiksM6BhJiW7SuUj9UcHSV1PUGwfl5d7x%2B71zQ%3D%3D)
http://ads.pheedo.com/img.phdo?p=1 (http://ads.pheedo.com/click.phdo?p=1)http://tags.bluekai.com/site/5148http://insight.adsrvr.org/track/evnt/?ct=0:5wz49e9&adv=wouzn4v&fmt=3
More... (http://rss.sciam.com/click.phdo?i=512c82c4dabd472f660700ef6c3038bf)