需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
————调查显示：专家对风能、太阳能和氢能资源期望降低，认为它们在解决气候问题上可能没有“巨大的潜力”。
Specialists less optimistic that wind, solar and hydro power have 'high potential' to solve climate crisis, survey shows.
太阳能和生物创造了存储在化石燃料中的氢碳化合物，长时间以来我们一直在使用着它们。
Solar energy and biology created the stored hydrocarbons in the fossil fuels we have used for so long.
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