Europe imports half its energy, predominantly fossil fuels - and Russia is the EU's top supplier for both oil and gas, with European countries paying more than £200 per person to Russian oil and gas giants last year, Oxfam said.
The over-reliance on fossil fuels worsens climate change which in turn threatens agricultural production and pushes up food prices, the charity warned. The world's poorest people are already suffering greater hunger as a result of climate change, it said
More top news
Wednesday will be a cloudy but mild day across southern England and Wales with outbreaks of rain
A diplomat from the North Korean embassy in Kuala Lumpur is being sought over the death of Kim Jong-nam.
The former leader of Hong Kong Donald Tsang has been jailed for 20 months after being convicted of corruption over a luxury apartment.