The United Nations climate change summit in Morocco issued an Action Proclamation, urging the "highest political commitment" to reducing global climate change. The proclamation supports raising $100 billion annually by 2020 to provide climate change assistance to developing countries.

The United Nations Security Council has unanimously approved extending the mandate for chemical-weapons investigators in Syria by one year. Investigators contend both the Syrian government and the Islamic State have used chemical weapons.

World Toilet Day, which takes place Saturday, emphasizes the need for sanitation in developing countries, write Manzoor Qadir and Chris Metcalfe of the United Nations University's Institute for Water, Environment and Health. Wastewater treatment is also needed if the world is to prevent the spread of antimicrobial drug resistance, they write.

New sources of finance must be found to provide assistance to farmers in the developing world who are grappling with climate change, says Director-General of the Food and Agriculture Organization Jose Graziano da Silva. Participants at climate talks aren't doing enough to address the needs of farmers and provide assistance, he argues.

Governments need to conserve natural ecosystems such as wetlands to help manage climate change, write United Nations climate chief Patricia Espinosa and Secretary-General of the Ramsar Convention on Wetlands Martha Rojas-Urrego. Agreements such as the Ramsar Convention can help countries achieve climate targets as well as the Sustainable Development Goals, they write.

The International Criminal Court's ability to enforce justice worldwide is being thwarted by countries dropping their support for the body, writes former United Nations Secretary-General Kofi Annan. "[W]e need to recognise that the mere existence of the ICC can serve as a deterrent for leaders tempted by violence to shore up their regimes," he writes.

Poor sanitation, hygiene at work kills 400,000 workers globally

"Residents of the world's largest refugee camp get a temporary reprieve."

@UNFoundation: The green economy is viable, socially minded, and profitable.-@jesuspiro of @ECO4CLIM #EarthToMarrakech