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There is also much debate about the total carbon, fossil fuel and water usage in manufacturing biodegradable bioplastics from natural materials and whether they are a negative impact to human food supply. To make 1 kg (2.2 lb) of polylactic acid, the most common commercially available compostable plastic, 2.65 kg (5.8 lb) of corn is required. [57]
Bioplastic panels, made from blends of natural fibers and biopolymers, provide an eco-friendly option for wall cladding and partitioning. These materials are lightweight, durable, and can be designed to mimic traditional materials like wood or stone. Formwork Bioplastics are increasingly used in formwork for concrete casting.
The main disadvantage with oil-based biodegradable plastics is that their degradation contributes to global warming through the release of carbon dioxide as a main end product. This does not apply to starch based plastics as they are formed from carbon which is already in the ecosystem (via photosynthesis).
[1] The controversies are, by now, mostly political rather than scientific: there is a scientific consensus that global warming is happening and is caused by human activity. [ 2 ] Public debates that also reflect scientific debate include estimates of how responsive the climate system might be to any given level of greenhouse gases ( climate ...
Human activity since industrialization has led to a huge increase in the production of carbon dioxide, a greenhouse gas that contributes to rising global temperatures. Scientists warn that if carbon dioxide and other greenhouse gas emissions continue to rise at their current rates, Earth’s temperatures could increase dramatically in future ...
"Why it's become more popular today is there are these New Age health attributes that have been assigned to bone broth and different groups that make marketing claims about their own bone broth."
Heaven and Earth: Global Warming — The Missing Science: Global warming: dispute of scientific consensus on climate change: Ian Plimer: 2009: ISBN 0-7043-7166-9: Hell and High Water: Global Warming — the Solution and the Politics — and What We Should Do: Global warming: evidence for dire consequences of inaction: Joseph J. Romm: 2006: ISBN ...
The president of a Michigan-based manufacturer was stabbed by one of the company's employees during a staff meeting, police said. Nathan Joseph Mahoney, 31, has been charged with assault with ...