UK data centres may yield 75% fewer permanent jobs than predicted while facing severe energy grid constraints. Read the latest thinktank and legal analysis
That dietary advice has changed the way the world consumes salmon, pushing consumer demand ever upward and production to higher and higher levels. Most of that demand is being met with farmed salmon: Today, nearly 70 percent of the salmon consumed on the planet are raised in pens and cages.
The US Department of Agricultureβs Dietary Guidelines for Americans recommend eating at least 8 ounces of fish a week and urges people to choose salmon or other species that are similarly high in βheart-healthyβ Omega-3 fatty acids. But new research led by USDA scientists finds that levels of these fatty acids in farmed salmon have dropped considerably, potentially making the agencyβs own advice, and similar recommendations, including from the American Heart Association, outdated and insufficient.