Swedish climate activist Greta Tonberg expressed her opposition to gender inequality in the world on International Women's Day.

"We recognize that women are still far from equal with men in today's societies," Tonberg said, in a Tweet on Twitter today, on the occasion of International Women's Day, which falls on March 8.

"We cannot have climate justice without gender equality," added the 17-year-old Swedish activist. She added that it is not necessary to misunderstand today as an occasion to celebrate women, but to seriously consider ways in which society can improve gender equality.

"What we women want today - and every day - is equality, not congratulations or celebrations," she wrote.