From the rise of the Islamic State group to the truculence of Vladimir Putin, new tensions surfaced that may presage global shifts in power and prosperity in 2015.
Carbon dioxide pollution levels in Earth's atmosphere hit a record high in 2012, according a UN report released Wednesday. The concentration of carbon dioxide, a primary contributor to global warming, is far beyond the level some scientists and environmental groups say is the upper limit for a safe level.
In an interview with OilPrice.com, climate blogger and former TV meteorologist Anthony Watts says carbon dioxide will heat the Earth somewhat, but by the time we get to full saturation we’ll have likely have moved on to other energy sources anyway.
Climate Change Conference-goers in Doha learned Wednesday that 2012 will go down as one of the hottest years on record. A provisional statement by the UN warns of rising temperatures and melting ice.