• Trip of a lifetime would take the best part of three weeks through picturesque Alaska and Siberia
• Russia set to complete extension of rail network to tip of Siberia by 2030
• $99 billion plan would see 65-mile tunnel bored under Bering Strait and linking East and West

The prospect of an epic train journey from New York to London might seem like a distant dream for those seeking the ultimate railway holiday.

Several Pakistani news outlets today are dissecting a troubling finding from the U.N. Children's Fund: the 63 cases of polio diagnosed in the country so far this year are nearly double the 36 detected during the same period last year. The highly contagious viral disease, which attacks the nervous system and can cause paralysis or even death, is most evident in the province of Balochistan and has now spread to other areas that haven't been infected for the past five years.

LONDON (AlertNet) – Efforts to feed an extra 2 billion people by mid-century could lead to widespread destruction of forests, wetlands and other natural systems that protect and regulate the world’s water, researchers warn.

But finding ways to boost agricultural production while protecting nature could produce big benefits, including reduced poverty and hunger in some of the world’s most fragile countries and hikes in food production that are sustainable beyond 2050.

Scientists and doctors are calling for a new national policy in Japan that mandates the testing of food, soil, water, and the air for radioactivity still being emitted from Fukushima's heavily damaged Daiichi nuclear power plant.

"How much radioactive materials have been released from the plant?" asked Dr Tatsuhiko Kodama, a professor at the Research Centre for Advanced Science and Technology and Director of the University of Tokyo's Radioisotope Centre, in a July 27 speech to the Committee of Health, Labour and Welfare at Japan's House of Representatives.