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Automakers are sinking billions into developing electric cars in part as a response to ever-tougher limits on air pollution and carbon dioxide, a greenhouse gas blamed for global warming.
Authorities in Uttar Pradesh state cut internet access in some parts following clashes between demonstrators and police in Aligarh on Sunday that saw 21 people arrested, authorities said.
Australian Prime Minister Scott Morrison last week made a rare admission that climate change is one of the "factors" behind the fires, but defended Australia's record on emissions reduction and failed to announce further measures to address the issue.
Authorities said the ex-student, identified as Nikolas Cruz, walked into the Marjory Stoneman Douglas High School in Parkland, near Miami, on Wednesday and opened fire with a legally purchased AR-15-style assault rifle in the second-deadliest shooting at a public school in US history.
Autumn equinox is one of the 24 solar terms in the lunar calendar and marks the midpoint of autumn.
来源：资阳报