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• G-20: The need for green growth

  Science » Planet Earth

  As the G-20 get ready for their Summit in the Republic of Korea, their leaders need to go a lot further than taking merely economic measures; if in Seoul the G-20 leaders take cosmetic measures catering for the short-term interests of the financial sector, they may very well be jeopardising the long-term interests of humanity.

• Suicidal dolphins scared of submarines

  Science » Planet Earth

  Scientists still do not have any explanation to mass suicides of whales. There is a theory saying that whales beach themselves because of the use of naval sonar systems. Another theory says that there is not enough room for cetaceans in the ocean. In 2005, ecologists said that whales beach themselves because of sonar systems used by submarines

• The Arctic is warming: The evidence

  Science » Planet Earth

  The reindeer and caribou populations in the Arctic have dropped by around 33 per cent since the year 2000. Severe changes in the abundance of these and other species are sending alarming signals to scientists, now worried about the possibility of catastrophic climate change in this most sensitive of regions, which has far-reaching consequences for...

• Mysteries of unpredictable tsunami waves

  Science » Planet Earth

  One of the most terrible consequences of offshore quakes is giant tsunami waves, sweeping everything on their way. Until now, scientists cannot answer a simple question: why in some cases they happen, and in others they do not? If it was established, then a tragedy like the one that has recently occurred in Indonesia could have been avoided

• Apophis' power surpasses all nuclear arsenals on Earth

  Science » Planet Earth

  The probability for asteroid Apophis to collide with planet Earth is extremely small. If it happens, though, the asteroid will destroy a territory the size of which is similar to a European country. The power produced as a result of the impact will be comparable to the detonation of all nuclear arms that mankind currently has