Sri Lanka has managed to keep the man-elephant conflict at bay. Elephant dung is used to make paper, an excellent source of revenue, and farmers no longer want to harm elephants, writes Michael Patrao

Sri Lanka has a sizeable elephant population, which has been under threat in recent times despite the fact that it is revered in Buddhist culture.

THRISSUR: Students of biotechnology engineering of Sahrdaya College of Engineering and Technology, Kodakara in the district, have come out with a novel project to convert elephant dung into useful bio-products such as paper, briquette, biogas etc. The project can made use to dispose the huge quantity of elephant dung generated at the Anakotta of Guruvayur Devaswom.

R. Vimal Kumar

Proposed unit will be equipped to handle five tonnes of non-segregated waste a day

File Photo: M. Balaji

NEW EFFORT: Garbage in Tirupur is to be disposed of at the compost yard to be established by the Department of Agriculture.

Chemicals producers and governments agreed on Friday to step up efforts to push for greater safety in chemicals from lead in paint to microscopic substances.

But non-governmental organisations (NGOs) said unless the industry and governments come up with more money, agreed targets for cleaning up chemicals by 2020 were unlikely to be met.

Pollution caused by feed not eaten is a major concern for shrimp farmers. Madhusoodana Kurup, professor at Cochin University of Science and Technology, Kerala, used a technology to convert these leftovers into protein-rich feed. Sumana Narayanan understands how this benefits farmers On why left-over feed is a problem For healthy growth, shrimp need 45 per cent protein in their feed.

Scientists in California, US, are reporting the use of a new bioprocess that could help pave the way for producing biofuels from agricultural waste, easing concerns about stress on the global food supply from using corn and other food crops.

THIRUVANANTHAPURAM: Energy can be produced from several non-conventional sources, including degradable and non-degradable waste. The Agency for Non-Conventional Energy and Rural Technology (ANERT) under the Department of Power in Kerala invents and promotes such technologies.

Trichoderma spp. are well known as biocontrol agents. However, for field applications the farmers have to purchase them from agroproduct shops. Similarly, straw from different cereal crops after harvesting is generally not used further. Here an integrated use of straw and bioexploitation of Trichoderma sp. is presented. (Correspondence)

The Government will provide financial support to the smaller industries to set up Effluent Treatment Plants (ETP), said State Minister for Environment & Forest Advocate Mostafizur Rahman.

He was addressing a discussion organised by Bangladesh chamber of Industries (BCI) on May 02.

Vaporising household waste to create clean energy could solve two of humanity's biggest environmental problems at once. But is "gasification" as green as it sounds?