‎Read the following part of a project proposal. What is the problem the proposal is aimed at?‏‎ ‏ One proposal to minimize the coming climate impacts includes three macro-level strategies to propel a global transition to non-carbon energy.‏ * In industrial countries, withdraw all subsidies from fossil fuels and redirect those subsidies to non-carbon energy sources;‏ * Create a global fund of about $500 billion a year to transfer clean energy technologies to developing countries; and, ‏ * Require all countries to increase the carbon efficiency of their economies by 5 percent per year.‏‎‏
选项：

A:Global transition to non-carbon energy
B:The lack of clean energy technologies
C:Climate impacts
D:/