The term "biodegradable" has been used over the past few years, to describe plastics or packaging that could potentially be metabolized by microorganisms in nature, with complete breakdown to CO2/Methane, water and biomass. However, there is significant confusion and controversy surrounding biodegradable plastics since many suppliers have used the term to loosely describe their material/packaging without specifying the conditions under which the material would degrade in nature. For instance, some plastics (like PLA) will only degrade under industrial composting conditions, while some others (like PHA) can break down under a wider range of conditions and environments (industrial, backyard, marine). Given this widespread confusion and the misuse of the "biodegradable" term, many global government and industry organizations have issued guidelines to restrict or eliminate the unqualified use of biodegradable as a descriptor of plastics or packaging. These include the European Commission guidelines (European Plastics Strategy) and the Federal Trade Commission Green Guides in the US.
In line with such guidelines, Ubuntoo's recommends that companies providing biodegradable materials, products or packaging:
1.Avoid unqualified use of the term "biodegradable" to describe their products
2.Any claim of biodegradability should be accompanied by a description of specific conditions and environments under which the material or product will undergo degradation in nature
3.It is strongly recommended that companies provide globally accepted certifications or testing for various biodegradability claims (such as the BPA certification for industrial composting)
Further in line with the position articulated by the European Commission as well as major CPG companies, Ubuntoo recommends that "biodegradable" plastics should not be considered a solution for littering (or worse a license to litter). Appropriate collection and end-of-life solutions (such as industrial composting or home composting) need to be put into place to avoid biodegradable plastics ending up as litter in the environment.
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PseudoFreeze has developed a new way to refrigerate naturally, using bio-nanotechnology that harnesses energy from proteins. This helps address the vicious cycle of global warming and the need for more carbon emitting refrigeration. This invention could reduce electricity consumption by 89% using only 5Kw to provide 72 hours of cooling.
Energy is the most polluting industry in the world. Refrigeration plays a big role in this as it generates 8% of all green house gas emissions, which is equivalent to 2.95 billion tons of CO2 annually. The current systems are not efficient in terms of energy consumption and in addition are polluting the planet.
PseudoFreezedraws and immobilizes protein from plant bacteria, capable of absorbing heat from their environment and freezing large volumes of water. Depending on the use of the technology, PseudoFreeze can mix different types of liquids with the bionanocomposite in order to achieve various temperature ranges. This technology can create ice at temperatures up to 4ºC. PseudoFreeze is developing a product that uses this bio-nano compound to provide a sustainable refrigeration alternative that needs less energy to freeze. This technology could save money for many industries, giving the possibility to bring refrigeration more easily and at a lower cost all over the world, to the people who need it the most but don’t have access to it.
PseudoFreeze offers the bionanocompound directly or in PseudoFreeze containers (portable fridges) which are adaptable to multiple end uses that require refrigeration. The startup develops custom-designed cold chain devices considering the specific context needs such as dimensions, temperature ranges and cold chain durability. They are also thinking of ideas such as PCM panels which are used in cargo transportation.
PseudoFreeze's biggest application is the use of their technology in ventilation systems and cooling devices, making it cost effective and sustainable. This can be used to cool larger indoor spaces.