Morning mail: PM rules out fossil fuel ban, nearly 50% of Australians have had Covid, trio of meteor showers

Anthony Albanese says Labor intends to be part of international efforts to reduce emissions. Photograph: Bloomberg/Getty Images

Good morning. Today marks the first full sitting day of the new parliament, when legislation will be introduced to enshrine Labor’s 2030 and 2050 emissions reduction targets, along with a bill to scrap the cashless debit card.

Almost half of all Australian adults had been infected with Covid-19 in June, according to serosurvey of antibodies detected in blood donations. Evidence of past infection was detected in 46% of samples, compared with 17% in February. Epidemiologists have called Victoria’s move to scale back its PCR Covid testing regime a “backwards step” amid soaring case numbers and hospitalisations.