Nov 15, 2022 · Nuclear fission is a reaction where the nucleus of an atom splits into two or more smaller nuclei, while releasing energy. For instance, when hit by a neutron, the nucleus of an atom of uranium-235 splits into two smaller nuclei, for example a barium nucleus and a krypton nucleus and two or three neutrons.

Jan 24, 2025 · Nuclear energy’s increasing momentum could be seen at COP28, where the first Global Stocktake under the Paris Agreement called for the acceleration of nuclear and other low-emission technologies to help achieve deep decarbonization. Another key moment at the climate conference in Dubai was when more than 20 countries launched a declaration to ...

Mar 26, 2025 · Energy is essential for sustainable economic growth and improved human welfare. Nuclear energy provides access to clean, reliable and affordable energy, mitigating the negative impacts of climate change. It is a significant part of the world energy mix and its use is expected to grow in the coming decades.

Oct 9, 2023 · IAEA Director General Rafael Mariano Grossi announced the new projections, contained in the annual report “Energy, Electricity and Nuclear Power Estimates for the Period up to 2050 ”, during the opening of the IAEA’s 2nd International Conference on Climate Change and the Role of Nuclear Power 2023: Atoms4NetZero in Vienna.

Jan 25, 2024 · For example, solar power needs more than 17 times as much material and 46 times as much land to produce one unit of energy. Nuclear power is also the second safest source of energy in the world and nuclear waste is carefully managed and regulated. Nuclear energy has some challenges, including high upfront costs.

May 11, 2023 · International Atomic Energy Agency. Vienna International Centre, PO Box 100 A-1400 Vienna, Austria

The world needs energy to support everyday life and drive human and economic development. In 2019, over 26 000 terawatt-hours of electricity were produced worldwide. This electricity is being produced by a range of energy sources, mostly fossil fuels but …

Mar 11, 2025 · Nuclear fusion is the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy. Read more → News Story

The 2024 edition of Climate Change and Nuclear Power delves into the dynamics of financing nuclear projects to unlock much needed nuclear energy capacity as ambitious climate targets draw nearer. We explore the imperative for robust financial frameworks to propel the adoption of nuclear energy as a cornerstone of global decarbonization efforts.

The many peaceful uses of nuclear technology have a beneficial impact on our everyday lives – from energy production and food security to health care and the protection of the environment. The articles and videos on this page offer easy-to-understand explanations of major topics in nuclear science and technology.