Reuters: The Australian parliament’s upper house Senate on Thursday postponed a debate on renewable energy laws until at least August, dashing government hopes of passing the laws by the end of June. The laws, which set a 20 percent target for renewable energy use by 2020 in Australia’s coal-reliant electricity supply, would unlock up to $22 billion worth of investment in solar and wind projects. The government and Greens opposed the delay, saying the move would undermine investment in …