Russia's endangered Lake Baikal - 29 Jul 08

Two women have dedicated their lives to protecting Russia's Lake Baikal, their research proves that the lake is warming at a rate three times faster than the air.<br /><br />Their mission is to find new life forms and preserve existing ones. <br /><br />Located in south west Siberia, the lake contains 20 percent of the Earth's fresh water and is being severely affected by global warming.<br /><br />Al Jazeera's Jonah Hull reports.