What were the most important scientific findings of 2007? LiveScience gives you the top 10:
- Climate change: The IPCC issued its strongest warning yet that humans are causing global warming.
- Arctic melting: Two studies found retreating arctic ice.
- Extreme weather: Global warming is contributing—specifically hurricanes and heat waves.
- Alternative energy: Biofuels’ futures are uncertain as researchers uncovered pros and cons for gasoline’s successors.
- C02: Despite media attention, carbon dioxide emissions accelerated.
- Coral degradation: Human-caused stressors are destroying the reefs twice as fast as rain forests.
- Endangered species: More than 2,000 species were added to the list.
- Prolonged drought: Global warming could make dry areas drier and wet areas wetter.
- Antarctic revelations: Subglacial lakes and new undersea creatures were among a slew of discoveries highlighting the mysterious continent.
- Impending oil peak: Oil production could peak as soon as 2008.