Syria aid charities urge Cameron to help them navigate anti-terror laws
UK-based aid groups say "ambiguous" legislation is slowing down or blocking funds to Syria
Sydney among first cities to switch off lights for Earth Hour
Organisers hoped this year's event could tap "new momentum" in climate action following Paris agreement
ANALYSIS-Shaky EU-Turkey deal faces tough reality checks
"A piece of something is better than a piece of nothing," said European Council President Donald Tusk
UN sounds alarm over violence against indigenous activists in recession-hit Brazil
"Threats and intimidation" against indigenous land activists have been "perpetrated with impunity" in recent years
INSTANT VIEW-Aid agencies deeply concerned over EU-Turkey migrant deal
As the EU clinched a controversial deal with Turkey, doubts remain over whether the deal is legal or workable
China's forests recovering at the expense of other nations, study says
Instead of cutting down its own trees, China has become one of the world's leading timber importers
Red Cross sounds alarm on rising casualties in "ignored" Afghanistan
"It defies human logic: the more victims there are in Afghanistan, the less attention there is"
FEATURE-India's tribes and lower castes demand legal right to shelter, land
Thousands gathered in the capital this week to demand a law guaranteeing the rural poor the right to shelter