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Rising carbon dioxide levels are now detectable in human blood
7+ hour, 55+ min ago (859+ words) Carbon dioxide is a gas that people usually connect with climate change. It traps heat in the atmosphere and makes the planet warmer. But scientists are now asking another important question. Is rising carbon dioxide also changing the human body?...
Farmers can measure soil health by analyzing its color
1+ week, 7+ hour ago (990+ words) Farmers have always read their soil by sight. Darker earth often signals richer ground, while pale, dusty fields can mean trouble. But what if that simple visual cue could replace expensive chemical tests? A new study suggests it can. Researchers…...
Wheat and microbes compete underground for vital nitrogen
1+ week, 22+ hour ago (698+ words) For over a century, farmers have been concerned about nitrogen. It is one of the main nutrients crops need to grow. Without it, wheat plants remain short and pale. With a healthy amount of nitrogen, they flourish and grow strong,…...
Half of the world’s key grazing land may be lost this century
2+ week, 2+ day ago (829+ words) Across much of the world, livestock farming depends on climates that stay within a narrow comfort zone. A new global study finds that climate change could push 36 to 50 percent of current grazing lands outside that workable range by the end…...
Birds are somehow ingesting toxic chemicals, like DDT, that have been banned for decades
2+ week, 6+ day ago (856+ words) How safe are birds and other animals in places far from cities and toxic chemical plants? Many people assume pollution stays close to human activity, yet science keeps proving otherwise. More than sixty years ago, a book changed how the…...
What are grasslands?
3+ week, 3+ day ago (845+ words) Grasslands are vast, open landscapes where grasses, sedges, and wildflowers dominate the terrain rather than trees. They exist on every continent except Antarctica and go by different names depending on the region. There are prairies in North America, savannas in…...
Extreme heat is changing cattle farming across Europe
1+ mon, 3+ day ago (865+ words) Rising heatwaves are putting Europe's cattle under increasing strain, and new projections suggest the pressure could grow sharply by midcentury. By 2050, millions of animals may face weeks of additional dangerous heat each summer, forcing farmers to juggle animal welfare and…...
Climate is changing food quality and the role of supplements
1+ mon, 2+ week ago (685+ words) Climate change shapes daily life in many visible ways, such as hotter summers or stronger storms. A less obvious effect appears on dinner tables. Food quality, food access, and nutrition now shift alongside environmental conditions. Researchers at the University of…...
Shifting nitrogen cycles raise new risks for food security
1+ mon, 3+ week ago (653+ words) Climate change shapes everyday life in ways that often escape attention. Rising heat, shifting rainfall, and higher carbon dioxide levels affect food systems far beyond visible crop damage. A quiet but powerful change occurs beneath soil surfaces and inside plant…...
Eating for the planet: Why half the world must change its diet - Earth.com
2+ mon, 1+ week ago (836+ words) The holidays make it easy to overdo it " then make new year resolutions that will most probably fail." A new study led by the University of British Columbia offers a more grounded resolution: eat enough, not more, and rethink what's…...