The donation is one of two major charitable contributions she's made this year

MacKenzie Scott, one of the world's richest women, has donated $4.2 billion to nearly 400 charity organizations during the COVID-19 pandemic.

In a blog post this week, the former wife of Amazon founder Jeff Bezos wrote that she was inspired to "accelerate [her] 2020 giving through immediate support to people suffering the economic effects of the crisis."

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Scott's team -- which sought the perspectives of hundreds of field experts, funders, non-profit leaders, and volunteers -- gave special attention to organizations operating in communities that are experiencing or will face high food insecurity, racial inequality, high local poverty rates, and low access to philanthropic capital.

"The result over the last four months has been $4,158,500,000 in gifts to 384 organizations across all 50 states, Puerto Rico, and Washington D.C," wrote Scott.

In total, she looked at 6,490 groups and did a deeper dive on 822 of them, listing in her post the organizations that received funds.