1. On 20 December 2016, President Obama announced that he will use his executive authority to permanently ban new offshore drilling in parts of federally owned waters off the Atlantic coast and in the Arctic Ocean.

  2. On 20 December 2013, the Sixty-eighth session of the United Nations General Assembly decided to proclaim 3 March, the day of the adoption of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), as World Wildlife Day, to celebrate and raise awareness of the world's wild fauna and flora. In its resolution, the General Assembly reaffirmed the intrinsic value of wildlife and its various contributions, including ecological, genetic, social, economic, scientific, educational, cultural, recreational and aesthetic, to sustainable development and human well-being, and recognized the important role of CITES in ensuring that international trade does not threaten the species' survival.

  3. A new international body aimed at catalyzing a global response to the loss of biodiversity and world's economically-important forests, coral reefs and other ecosystems was born on 21 December 2010 by governments at the United Nations 65th General Assembly (UNGA). The adoption, by the UNGA plenary, was the last approval needed for setting up an Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES). Governments gave a green light to its establishment in June at a meeting in Busan, Republic of Korea, coordinated by the UN Environment Programme (UNEP), but this required a resolution to be passed at the UNGA.

  4. Beginning in the year 2011, Ukraine plans to open up the sealed zone around the Chernobyl reactor to visitors who wish to learn more about the tragedy that occurred nearly a quarter of a century ago, the Emergency Situations Ministry said on 20 December 2010. Emergency Situations Ministry spokeswoman Yulia Yershova said experts are developing travel routes that will be both medically safe and informative for Ukrainians as well as foreign visitors. She did not give an exact date when the tours were expected to begin.

  5. On 20 December 2010 the EU Environment Council gave the green light for new provisions on CO2 emissions in light commercial vehicles. By 2020, these vehicles must reduce their emissions by around 27 percent on average, to 147 grams CO2 per kilometre travelled (about 5.6 litres of diesel). Moreover, an interim target of 175 grams CO2 per kilometre (around 6.7 litres of diesel) has been set for 2017. This will be introduced gradually from 2014. As an incentive to comply with the targets, vehicle manufacturers will face severe fines if they exceed them. The new Regulation also contains incentives for vehicles with particularly low CO2 emissions, such as plug-in hybrid and electric vehicles. In addition, innovative technologies which bring further fuel savings - eco-innovations - are also being supported, for instance, LED lights or improved heat management for engines.

  6. On 20 December 2000, the European Commission adopted this decision: Article 1: Lindane is not included as an active substance in Annex I to Directive 91/414/EEC. Article 2: The Member States shall ensure that: 1. authorisations for plant-protection products containing lindane are withdrawn within a period of six months from the date of adoption of the present Decision; 2. from the date of adoption of the present Decision no authorisation for plant-protection products containing lindane will be granted or renewed under the derogation provided for in Article 8(2) of Directive 91/414/EEC.