Doug Neal writes: Ray Kurzweil has weighed in on the climate change debate and predicts that due to the progress we are making on renewable energy, we will have weaned ourselves off fossil fuels within two decades.
DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Also, Slashdot's now on IFTTT. Check it out! Check out the new SourceForge HTML5 Internet speed test! ×