Challenges in Environmental Governance and Policy Implementation in India

Statement 1 is incorrect: The Environment Protection Act (EPA), 1986 recognizes the importance of public participation in environmental decision-making. However, it does not explicitly define the procedure for public participation in environmental governance, such as public hearings or consultations. These provisions were later formalized through subsequent rules and notifications, such as the Environmental Impact Assessment (EIA) Notification, 2006, which mandates public hearings for certain projects. Statement 2 is correct: The EPA, of 1986 empowers the Central Government to Lay down environmental quality standards for air, water, and soil, Regulate emissions and discharges of pollutants from industries and other sources, Restrict hazardous substances and their handling, Take emergency measures to prevent environmental disasters.

* Carbon markets, which include mechanisms like cap-and-trade systems and carbon offsets, are increasingly being used as a tool to incentivize emissions reductions and help in the fight against climate change. So, statement 1 is true. * Carbon markets typically work by transferring resources from emitters (usually in the private sector) to entities that can reduce or remove greenhouse gas emissions, which can be either private entities or the government. So, statement 2 can also be true.

Statement 1 is incorrect: Nanoparticles can exist in nature (natural nanoparticles). Volcanic eruptions, forest fires, and natural weathering processes can all create nanoparticles. Statement 2 is correct: Some cosmetics incorporate nanoparticles of ingredients like zinc oxide or titanium dioxide for sun protection or other purposes. Statement 3 is also correct: The safety of nanoparticles in consumer products is a complex issue and a growing area of research. Some nanoparticles might pose potential health or environmental risks depending on their specific properties and how they interact with the body or the environment.

1. Copper slag is a by-product generated during the extraction and refining of copper. It can be used as a partial replacement for sand in concrete production, thus reducing the demand for natural resources. This reduces the environmental impact associated with sand mining. 2. Cold mix asphalt technology involves producing asphalt mixtures at lower temperatures compared to traditional hot mix asphalt. This results in reduced energy consumption during production and lower emissions of greenhouse gases. Cold mix asphalt also allows for the use of recycled materials, further enhancing its environmental sustainability. 3. Geotextiles are synthetic materials used in road construction for various purposes such as soil stabilisation, drainage, and erosion control. They can help in reducing the need for excessive excavation and use of natural resources like stone and gravel, thereby minimizing environmental impact. 4. Hot mix asphalt technology involves producing asphalt mixtures at high temperatures. While it provides excellent performance properties for roads, it typically requires higher energy consumption during production compared to cold mix asphalt technology. 5. Portland cement is a key ingredient in concrete production. While it is widely used in construction, its production process is energy-intensive and emits significant amounts of carbon dioxide, contributing to greenhouse gas emissions. Therefore, the correct answer is A. 1, 2, and 3 only.

Statement 1 is incorrect: Hyderabad was indeed recognized as a Tree City of the World, but not by the UNCDF and Arbor Day Foundation together.
The recognition comes from a joint program by the UN Food and Agriculture Organization (FAO) and the Arbor Day Foundation. Statement 2 is correct: Hyderabad was selected as a 2020 Tree City of the World by the Arbor Day Foundation in recognition of the city's commitment to urban forestry, including growing and maintaining its urban forests. Therefore, only the second statement is correct, and the first statement is incorrect.