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Facility closures by Smurfit Westrock drew substantial reader interest last month, alongside stories covering state extended producer responsibility policies and a glass collection pilot project in California.

The list below shows our top stories published in May in terms of unique page views.

1 | Smurfit Westrock to close plants amid broader changes

Smurfit Westrock is closing plants in Minnesota and Texas and is in discussions to do the same at two others in Germany, affecting around 650 employees total.

2 | CAA proposes tweaks to handle SB 54 delays

The Circular Action Alliance is asking for several changes to extended producer responsibility deadlines in response to the delayed rulemaking on SB 54.

3 | Revised California EPR draft regulations released

The California Department of Resources Recycling and Recovery released a revised draft of SB 54 regulations, two months after the governor rejected the first version of the extended producer responsibility for paper and packaging rules.

4 |  Washington is seventh state to act on packaging EPR

Just a week after Maryland became state No. 6 to approve a bill on extended producer responsibility for packaging and paper, Washington made No. 7.

5 |  California deposit expansion spurs glass pilot projects

A pot of money created when California added wine and spirits bottles into its container redemption program is being used to fund glass recycling pilot projects, including a commercial collection program in the heart of wine country.