Sarpol-e Zahab in Iran's western Kermanshah province bore the brunt of the earthquake, with flattened buildings and many fatalities.Photos show rescue workers searching for victims and survivors trapped in the rubble.
Investment vehicles created to encourage sustainability projects have seen their global popularity soar, report says.
Land ice is melting rapidly, faster than previously thought, and the changes in sea level have a significant impact on the planet.
"Gruesome" incident in remote Chagos Islands in the Indian Ocean captured by researcher.
The bio-coal stores similar amounts of energy to coal, but can be burned without releasing pollutants and impurities into the air.
Greenpeace estimates that 12.7 million tonnes of plastic waste – including bags, bottles, and packaging – eventually makes its way into the oceans every year.
Gore address the Web Summit in Lisbon and said the technology sector would have the biggest impact in halting climate change.
The Australian Museum has released FrogId to try and track the population numbers of frog species across the country.
"It is up to every one of us to make sure the next generation inherits an ocean that has more fish than plastic."
The first snow of the year hit Britain overnight (6 October), as the country braces itself for temperatures that are set to tumble to -10c tonight.
Animal evolution is being influenced by the urban environment in ways which could have potentially harmful consequences for humans.
The week's best news and sports photos, from Rohingya refugee crisis and Kenya elections, to Halloween and Day of the Dead celebrations.
Farmers in the UK have been asked to "soil their underwear" in a drive to improve animal husbandry across the UK.
Some volcanoes could provide the same amount of power as several million solar panels, or 500 wind turbines.
If lakes are not "disinfected" by the sun's UV rays, it could lead to an increase in waterborne pathogens, finds a study.