Answer : 2. "United Arab Emirates"
Explanation :

Solution: The United Arab Emirates has inaugurated the world's largest single-site solar power plant ahead of the upcoming United Nations Climate Change Conference (COP28). The 2-gigawatt Al Dhafra Solar Photovoltaic Independent Power Project (IPP) is located 35 kilometers from Abu Dhabi city and will generate enough electricity to power approximately 200,000 homes. The plant is expected to emit 2.4 million tonnes of carbon emissions annually. The project is also in line with the UAE's Net Zero 2050 target.