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Everyone can do their part to keep Singapore clean and green: DPM Heng

Everyone can do their part to keep Singapore clean and green: DPM Heng

As Singapore marks 50 years since its first Tree Planting Day, each and every Singaporean can do his or her part to keep the country green and sustainable, Deputy Prime Minister Heng Swee Keat said on Sunday (Nov 21).

“The saplings planted 50 years ago have grown into beautiful trees with broad canopies and deep roots,” he said.

“In the same way, the Clean and Green Movement can continue to broaden and deepen in the years ahead.”

In a pre-recorded message from Mount Faber where one of Singapore’s founding fathers, Dr Goh Keng Swee, planted a raintree at the first Tree Planting Day in 1971, DPM Heng said tree planting has become a cherished national tradition that has evolved and expanded into the Clean and Green Singapore movement which was launched on Sunday.

In his speech, he outlined how people can keep the country green, reduce waste and ensure the city remains clean.

He said Singaporeans could keep the country green by taking part in the One Million Trees movement which aims to plant more than a million trees here over the next decade.

They could also partake in the national gardening movement and the NPark’s Gardening with Edibles programme, which saw some 460,000 seed packets distributed last year.

To reduce waste, DPM Heng said Singaporeans should buy only what they need and bring their own reusable bags and containers, while recycling regularly and correctly by depositing different materials in the correct bins and ensuring these are free of food contamination.

 

Deputy Prime Minister Heng Swee Keat (centre) with (from left) North West District Mayor Alex Yam, National Development Minister Desmond Lee, Senior Minister of State Amy Khor and Sembawang GRC MP Mariam Jafaar at the launch of Clean and Green Singapore in Kampung Admiralty on Nov 21, 2021. PHOTO: NG SOR LUAN

 

Businesses can also play their part, such as the 169 partners of the National Environment Agency’s Say Yes To Waste Less campaign.

Keeping the city clean is also important.

DPM Heng said the pandemic has taught us the importance of hygiene and cleanliness.

Initiatives to encourage this include the Clean Tables Campaign launched earlier this year to remind diners to return their trays after meals.

During the launch of Clean and Green Singapore 2021 at Kampung Admiralty, DPM Heng presented 16 national awards to  grassroots organisations for their efforts in public hygiene, cleanliness, resource conservation and energy efficiency.

He also planted a critically endangered Knema curtisii tree with Mayor of North West District Alex Yam.

They were joined by Minister of National Development Desmond Lee and Senior Minister of State for Sustainability and the Environment Amy Khor, who planted a Horsfieldia polyspherula.

 

The trees are from the nutmeg family.

The event also saw the launch of CGS Experiences, an online series of webinars with a live host that will bring participants through a virtual tour of sites of significant environmental interest.

Twenty sessions are available for public booking till March 31 next year.

DPM Heng concluded his speech on Sunday with a Chinese saying that meant trees planted by former generations will provide shade for future generations.

“Much like how young saplings planted in 1971 have flourished into a tree planting movement, what we build today will have a lasting effect for our future generations,” said DPM Heng.

“Let us all play our part in building a cleaner and greener Singapore for tomorrow.”

 


 

Source The Straits Times

It’s electrifying! How Earth could be entirely powered by sustainable energy

It’s electrifying! How Earth could be entirely powered by sustainable energy

Can you imagine a world powered by 100% renewable electricity and fuels?

It may seem fantasy, but a collaborative team of scientists has just shown this dream is theoretically possible – if we can garner global buy-in.

The newly published research, led by Professor James Ward from the University of South Australia and co-authored by a team including Luca Coscieme from Trinity, explains how a renewable future is achievable.

The study, published in the international journal, Energies, explores what changes are needed in our energy mix and technologies, as well as in our consumption patterns, if we are to achieve 100% renewability in a way that supports everyone, and the myriad of life on our planet.

The fully renewable energy-powered future envisioned by the team would require a significant “electrification” of our energy mix and raises important questions about the potential conflict between land demands for renewable fuel production.

Explaining the work in some detail, Luca Coscieme, Research Fellow in Trinity’s School of Natural Sciences, said:

“Firstly, the high fuel needs of today’s high-income countries would have to be reduced as it would require an unsustainably vast amount of land to be covered with biomass plantations if we were to produce enough fuel to satisfy the same levels.

“Additionally, our research shows that we would need to radically ‘electrify’ the energy supply of such countries – including Ireland – with the assumption that these changes could supply 75% of society’s final energy demands. We would also need to adopt technology in which electricity is used to convert atmospheric gases into synthetic fuels.

“We very much hope that the approach designed in this research will inform our vision of sustainable futures and also guide national planning by contextualizing energy needs within the broader consumption patterns we see in other countries with energy and forest product consumption profiles that—if adopted worldwide—could theoretically be met by high-tech renewably derived fuels. Countries such as Argentina, Cyprus, Greece, Portugal, and Spain are great examples in this regard.

“Even so, the success of this green ideal will be highly dependent on major future technological developments, in the efficiency of electrification, and in producing and refining new synthetic fuels. Such a scenario is still likely to require the use of a substantial – albeit hopefully sustainable – fraction of the world’s forest areas.”

Reference: ” Renewable Energy Equivalent Footprint (REEF): A Method for Envisioning a Sustainable Energy Future” by James Ward, Steve Mohr, Robert Costanza, Paul Sutton and Luca Coscieme, 24 November 2020, Energies.
DOI: 10.3390/en13236160

 


 

Source Sci Tech Daily