Rodney Jackson and his team take 20 to 30 yaks, each loaded with 250 to 300 pounds of gear, into the Himalayas to study snow leopards, which take the word 'elusive' to an extreme.
To withstand more-intense droughts herders in Tanzania cut the size of their herds and cross-breed for resilience and resistance to disease.
Decide where to take your next vacation with this compilation of "best of" travel destinations for the coming year, from Amsterdam to New Zealand.
He's about to set a world record by climbing the highest peaks on seven continents and crossing the four most inhospitable deserts. But when he added a charitable aspect to his quest he made it even more meaningful.
Using his laptop, Kebedom Mengistu publishes Hadush Zemen (New Century), a newspaper for refugees from Eritrea who've survived the perilous trip and settled in Israel.
The largely ignored civil war in Syria has taken a big toll on children. They are often targeted, even tortured. Russia and China must not again block an effective UN response to the Assad regime's war crimes.
Thousands of small biogas plants turn manure from farm animals into a useful resource.