Acervo

· A quantidade de lixo produzida semanalmente por um ser humano é de aproximadamente 5 Kg. Se somarmos toda a produção mundial, os números são assustadores. · Só o Brasil produz 240 mil toneladas de lixo por dia. O aumento excessivo da quantidade de lixo se deve ao aumento do …

Reciclagem é o retorno da matéria-prima ao ciclo de produção do qual foi descartado. O termo, porém, já vem sendo usado popularmente para designar o conjunto de técnicas envolvidas nesse processo: a coleta dos materiais que se tornariam lixo (ou que já estão no lixo), a separação desses materiais e …

Este trabalho examina a evolução do teor de metano na atmosfera usando resultados de medidas obtidas em ar armazenado em geleiras ao longo de um milênio e de algumas medidas mais recentes diretamente na atmosfera; também discute a pertinência do critério atualmente adotado para contabilizar as emissões de metano para …

Scientists in the Netherlands have discovered a fungus in elephant dung that will help them break down fibres and wood into biofuel. Bioethanol firms currently extract sugars from crops like grains and sugar beet, but some are developing technologies to extract energy from fibre such as wheat bran, straw or …

WRAP (Waste & Resources Action Programme) has launched a major project designed give the UK Magazine industry a new impetus to extend its use of recycled content paper. It will provide a solid commercial and environmental case to accelerate take-up across the industry and encourage further investment in recycled magazine …

The Arizona Republic reports that Americans are gaga for green, buying every eco-friendly product manufacturers and marketers can possibly conjure: the new forest-friendly sofas at Crate & Barrel, compostable sweeping towels at Target, kitchen countertops fashioned from recycled US$5 bills. But in dumpsters and landfills across the country, the green …

Separation and treatment to remove additives from waste electrical and electronic equipment (WEEE) can be more commercially and environmentally beneficial than landfill, incineration with energy recovery, export for recycling outside the UK or feedstock recycling options. These are the results of new research investigating the waste management options for mixed …

IBM has announced that it processed over 100 million pounds of used and obsolete computer gear, as part of its computer renewal and recycling efforts worldwide in 2006, returning less than 1% of non-hazardous material to landfills. This is the fourth straight year in a row that IBM has managed …

Japan Society of Waste Management Experts reports that Chofu City, located in the western Tokyo Metropolitan Area – known as the Tama Area – is a municipality with a population of 213,000 and 104,000 households. In 2004, it reviewed the manner of separate collection of household waste and changed the …

Defra have published protocols for determinig the amount of WEEE for each category when a mixed load of WEEE is delivered to Approved Authorised Treatment Facilities. The research carried out through the CIWM EB looked at the average category breakdown from hand sorting of mixed WEEE loads derived from a …