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Forest Service’s Latest Analysis Sheds More Light on True Threats to Mature and Old Growth Forests

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08 Feb, 2024

This post was originally published on Healthy Forest

Never let the truth stand in the way of a good story.” – Mark Twain

This comes to mind when considering the reaction by anti-forestry groups (and some in the news media) to the Biden Administration’s new old growth policy, which we covered here.

“Joe Biden’s administration on Tuesday announced a new proposal aimed at banning logging in old-growth forests, a move meant to protect millions of trees that play a key role in fighting the climate crisis,” proclaims The Guardian.

“Mature and old-growth forests are an essential component of a broader climate-crisis solution — but only if we protect them from logging,” according to Wild Earth Guardians.

“Protecting our old-growth trees from logging is an important first step to ensure these giants continue to store vast amounts of carbon, but other older forests also need protection,” says the Center for Biological Diversity.

Just two days before the public comment period closed on the Forest Service’s “Notice of Intent” on Old Growth Forests, the government released its “analysis of threats” to mature and old growth forests on federal lands.

The analysis confirmed previous reports that wildfire, insects and disease, not logging, posed the most significant threat to older forests. Since 2000, wildfires resulted in a decrease of an estimated 2.57 million acres of mature and 712,000 acres of old-growth forests on National Forest System (NFS) and BLM lands. Insects and disease caused a decrease of 1.86 million acres of mature and 182,000 acres of old growth.

Severe wildfire continues to pose much more of a threat than chainsaws. That’s because 70 to 80 percent of mature and old growth forests are at “high exposure” to wildfire-caused mortality according to the analysis.

As for logging, the analysis found that 2.1 million acres of mature forests and 400,000 acres of old growth experienced “tree-cutting effects.” Yet on 92 percent of these acres, the tree cutting treatments were found to improve or maintain conditions for these forests, including improvements to wildfire resiliency.

Does the timber industry pose a serious threat to mature and old growth forests, as anti-forestry groups proclaim? No. The analysis found almost half of inventoried mature and old growth forests are in firesheds where wood processing capacity is low, but current threats including severe wildfire are high.

The report suggests the lack of loggers, sawmills, truckers and others in these areas “may struggle to practice active management to reduce such threats” to these older trees.

The report closes by stating the “environment of the predicted future, and not that of the past, should guide policy considerations related to mature and old-growth management.”

Sustaining and increasing mature and old growth forests for the future will likely require more chainsaws to reduce the primary threat of wildfire, yet anti-forestry groups don’t want to let the truth stand in the way of a good story.

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Source: Healthy Forest

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ABB receives EPD status for gearless mill drive ring motor

ABB receives EPD status for gearless mill drive ring motor

ABB has gained Environmental Product Declaration (EPD) status for its Gearless Mill Drive (GMD) ring motor — technology used to drive large grinding mills in the mining industry.

An EPD is a standardised document that provides detailed information about the environmental impact of a product throughout its life cycle. Based on a comprehensive Life Cycle Assessment (LCA) study, the EPD highlights ABB’s commitment to transparency, environmental responsibility and supporting customers in making informed decisions on sustainability in their supply chains.

ABB analysed the environmental impact of a ring motor across its entire life cycle from supply chain and production to usage and end-of-life disposal. The study was conducted for a ring motor of a semi-autogenous grinding (SAG) mill with an installed power of 24 MW and was based on a reference service life of 25 years.

“Sustainability is at the core of our purpose at ABB, influencing how we operate and innovate for customers,” said Andrea Quinta, Sustainability Specialist at ABB. “By earning the Environmental Product Declaration for our ring motor, we emphasise our environmental stewardship and industry leadership for this technology. We adhered to the highest standards throughout this process, as we do in the ABB Ring Motor factory every day. This recognition highlights to the mining industry what they are bringing into their own operations when they work with ABB.”

The comprehensive LCA was conducted at ABB’s factory in Bilbao, Spain, and was externally verified and published in accordance with international standards ISO 14025 and ISO 14040/14044. It will remain valid for five years.

The ring motor, a key component of the GMD, is a drive system without any gears where the transmission of the torque between the motor and the mill is done through the magnetic field in the air gap between the motor stator and the motor rotor. It optimises grinding applications in the minerals and mining industries by enabling variable-speed operation, leading to energy and cost savings.

The full EPD for the ABB GMD Ring Motor can be viewed on EPD International.

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