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Getting in shape is one of the most common New Year's resolutions. And whether or not we follow through with going to the gym or watching what we eat, a new study by King's College London and the University of Birmingham reveals that staying active allows us to age optimally-another push to help us keep with our New Year's resolution.

Launched in October 2014, Infra (which stands for “International Fugitive Round Up and Arrest”) Terra focuses on 139 fugitives altogether wanted by 36 member countries for crimes including illegal fishing, wildlife trafficking, trade and disposal of waste, logging and trading in illicit ivory.
 

Responsible for 400,000 deaths each year globally, air pollution has yet to be sufficiently addressed by the world's governments, researchers have warned. Air pollution damages the heart. According to an expert position paper published in the European Heart Journal, many types of cardiovascular disease are linked to poor air quality.

Not only does air pollution exacerbate existing heart problems, but it also appears to play a role in the development of heart disease in otherwise healthy people, the researchers said. There is particularly strong evidence of the harmful effects of suspended particles, as opposed to gas pollution, they said.

Gushing downpours finally arrived in California last month, when December rains brought some relief to a landscape parched after three years of severe drought. 

But the rain came too late for thousands of Chinook salmon that spawned this summer and fall in the northern Central Valley. The Sacramento River, running lower than usual under the scorching sun, warmed into the low 60s — a temperature range that can be lethal to fertilized 

Chinook, the largest species of Pacific salmon, need cool waters to reproduce. 

The Earth's current warming is looking similar to what took place 55 million years ago, writes David Bond. And if it works out that way, the news is good: we may avoid a mass extinction. On the other hand, the poles will melt away completely, and it will take hundreds of thousands of years for Earth to get back to 'normal'. It is often said that humans have caused the Earth to warm at an unprecedented rate. However researchers have discovered another period, some 55m years ago, when massive volcanic eruptions pumped so much carbon into the atmosphere that the planet warmed at what geologists would think of as breakneck speed. The good news is that most plants and animals survived the warm spell. The planet has experienced several mass extinctions - and this wasn't one of them. But there's a catch: even after carbon levels returned to their previous levels, the climate took 200,000 years to return to normal.