The International Energy Agency (IEA) called on developing and industrializing countries to invest more money in clean energy, in a study released on Thursday. While two thirds of the expected global investment in the energy sector of around €2.8 trillion ($3 trillion) in 2024 will be channelled into clean energy, including nuclear power, there are still imbalances and deficits in investment flows. In developing and newly industrializing countries other than China, spending on clean energy remains low. Expenditure in this group, led by India and Brazil, comes to €275 billion, only 15% of globa…