Whether it’s electric automobiles, renewable energy, carbon tax or sustainable consumption, sustainable development requires strategies that meet people’s needs without harming the environment. Before such strategies are implemented, their potential impact on environment, economy, and society needs to be tested. These tests can be conducted with the help of computer models that depict future demographic and economic development and that examine the interplay between industry and the climate. But computer models play a significant role in environmental policy, but offer only a partial picture of the industrial system, say experts.