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Country diary: the sap also rises, drips from wounds and gives nourishment

The Guardian - Thu, 2018-04-05 14:30

Wolsingham, Weardale: swelling buds signal the hydraulic forces that have been building inside trees


The dead leaf on the sycamore stump opened its wings and revealed itself to be a comma butterfly (Polygonia c-album). Their orange pattern was a little worn after a long winter’s hibernation, but still glowed like hot embers in the spring sunshine.

As I watched, it dipped its proboscis into a river of leaking sap, trickling down a leafless, broken twig. It had found a convenient nectar substitute and showed no inclination to fly away. With few wild flowers out, this was most likely the best energy source available. The twig must have been leaking for several days; some sap had solidified into a white crust, but still it trickled downwards and dripped on to the soil.

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Categories: Around The Web

Why we are measuring the health of Australian vegetation poorly

The Conversation - Thu, 2018-04-05 14:21
In the aftermath of fires or logging, conservation needs to focus on recovering the health of the remaining vegetation, not just the size of the forest or woodland. Ayesha Tulloch, DECRA Research Fellow, University of Sydney David Lindenmayer, Professor, The Fenner School of Environment and Society, Australian National University Hugh Possingham, Professor, The University of Queensland Licensed as Creative Commons – attribution, no derivatives.
Categories: Around The Web

New target equates to 1140MW of rooftop solar PV in 2018

RenewEconomy - Thu, 2018-04-05 14:17
New target equates to an effective level of rooftop solar PV installations of 1140MW in 2018 plus approximately 67,000 solar hot water systems.
Categories: Around The Web

ACT says won’t be bullied into accepting “any old” NEG

RenewEconomy - Thu, 2018-04-05 14:16
ACT says it won't be bullied on the NEG by Coalition. “We need to get a good outcome, not just any old outcome," it says - just as the Coalition's hard right warns against any slippage in the NEG's proposed stifling of renewables.
Categories: Around The Web

Science Friction returns weekly from April 15. Tune in and subscribe now!

ABC Environment - Thu, 2018-04-05 13:59
Science, culture and storytelling ...with the spice added. We're back and weekly in 2018.
Categories: Around The Web

Launch of online solar power calculator for homes and businesses

RenewEconomy - Thu, 2018-04-05 13:56
SunSPoT, a new online platform that can be used to calculate the solar power potential of any rooftop – home, business, factory or school – to be launched today in Sydney at UNSW.
Categories: Around The Web

Australian rooftop solar boom rolls on – 351MW in first quarter

RenewEconomy - Thu, 2018-04-05 13:44
Rooftop solar installation boom continues in March, and total for first quarter is more than one third more than the previous record as households and business respond to soaring grid prices.
Categories: Around The Web

Genex may add wind to solar and pumped hydro to reach renewables “holy grail”

RenewEconomy - Thu, 2018-04-05 13:26
Genex looks to add 150MW of wind to its solar and pumped hydro project, creating the "holy grail" of a major renewable energy project with reliable, dispatchable power - and a lot cheaper than coal.
Categories: Around The Web

Genex may add wind to solar and pumped hydro to reach renewables “holy grail”

RenewEconomy - Thu, 2018-04-05 13:26
Genex looks to add 150MW of wind to its solar and pumped hydro project, creating the "holy grail" of a major renewable energy project with reliable, dispatchable power - and a lot cheaper than coal.
Categories: Around The Web

SENG Vic Food-Energy-Water symposium 11 April

Newsletters VIC - Thu, 2018-04-05 12:30
Single-Column Responsive Email Template Food-Energy-Water Nexus SENG Vic is co-sponsoring this event with the Joint Victorian Chemical Engineering Committee (JVCEC) and the Victorian Ware Panel. This mini symposium will explore the unique synergy between each of the three critical asset areas with a view to optimise value in each through resource recovery. Topics will cover the production of biogas energy from waste food and water, and will highlight techniques implemented by industry, government and academic institutions in reducing loss and recovering value from each process streams. Date: Wednesday 11th April 2018 Time: 5.30pm for 6.00pm start Venue: Engineers Australia Level 31, 600 Bourke Street Download flyer for more details Register If you can't view this email click here to view online Click here to unsubscribe from this newsletter
Categories: Newsletters VIC

Evoke passes 1 million km emission-free milestone

RenewEconomy - Thu, 2018-04-05 11:54
Australia’s first chauffeur-driven Tesla service, Evoke, has surpassed more than one million kilometres of zero-emission motoring by transporting passengers in its electric vehicles.
Categories: Around The Web

Evoke passes 1 million km emission-free milestone

RenewEconomy - Thu, 2018-04-05 11:54
Australia’s first chauffeur-driven Tesla service, Evoke, has surpassed more than one million kilometres of zero-emission motoring by transporting passengers in its electric vehicles.
Categories: Around The Web

Coalition still kidding itself about price of coal generation

RenewEconomy - Thu, 2018-04-05 11:45
Scott Morrisson is right to dismiss new coal generation as uneconomic, but his estimates of existing coal costs is half what NSW back coal generators charged for off-peak baseload this past winter. It is time the Coalition stopped kidding itself.
Categories: Around The Web

Coalition still kidding itself about price of coal generation

RenewEconomy - Thu, 2018-04-05 11:45
Scott Morrisson is right to dismiss new coal generation as uneconomic, but his estimates of existing coal costs is half what NSW back coal generators charged for off-peak baseload this past winter. It is time the Coalition stopped kidding itself.
Categories: Around The Web

California offset supply to swell through 2020 despite restrictions -analysts

Carbon Pulse - Thu, 2018-04-05 11:32
The supply of California Carbon Offsets (CCOs) is forecast to balloon over the next few years regardless of looming post-2020 limitations on their use, according to analysts.
Categories: Around The Web

SolarReserve and ACWA sign power purchase agreement for 100-megawatt solar thermal project with energy storage in South Africa

RenewEconomy - Thu, 2018-04-05 11:27
100-megawatt Redstone Solar Thermal Power Project in Northern Cape, with 1,200 megawatt-hours of energy storage, will reliably deliver non-intermittent power to South Africa’s electricity grid – even well after the sun has set.
Categories: Around The Web

SolarReserve and ACWA sign power purchase agreement for 100-megawatt solar thermal project with energy storage in South Africa

RenewEconomy - Thu, 2018-04-05 11:27
100-megawatt Redstone Solar Thermal Power Project in Northern Cape, with 1,200 megawatt-hours of energy storage, will reliably deliver non-intermittent power to South Africa’s electricity grid – even well after the sun has set.
Categories: Around The Web

Renewable Energy Market Report – all eyes on rooftop solar

RenewEconomy - Thu, 2018-04-05 11:17
LGC market endured a mundane March, but the small-scale market was abuzz with activity and speculation surrounding the target for 2018.
Categories: Around The Web

Renewable Energy Market Report – all eyes on rooftop solar

RenewEconomy - Thu, 2018-04-05 11:17
LGC market endured a mundane March, but the small-scale market was abuzz with activity and speculation surrounding the target for 2018.
Categories: Around The Web

New Costa Rica leader vows to take country towards oil-free future

RenewEconomy - Thu, 2018-04-05 11:13
Costa Rica already has close to 100% renewable power for electricity. Its newly elected president now promises to replace petrol and diesel in the transport system.
Categories: Around The Web

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