… cent. The 2°C target was laid down in the 2015 Paris Agreement. According to the UNEP Emissions Gap Report 2016, global carbon dioxide emissions must be net zero by … reporting systems are anchored in national institutions. Associated content Links UNEP Emissions Gap Report 2016 Publications Implementation of Nationally Determined … cent. The 2°C target was laid down in the 2015 Paris Agreement. According to the UNEP Emissions Gap Report 2016, global carbon dioxide emissions must be net zero by …