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Αποτελέσματα 2681 - 2700 | από συνολικά 3221
16 09 2019 | 09:16

What Drove Solar PV Price Reductions?

A new book explores the precipitous decline. One of the most remarkable trends in energy economics over the last 50 years is the tremendous reduction in solar photovoltaic (PV) prices. The figure…

16 09 2019 | 09:11

Energy 'transition' the buzzword, but a fossil future for the Gulf.

In the vast air-conditioned halls of an Abu Dhabi conference centre, the world's much-vaunted transition to clean energy is the buzzword in sessions of a top industry gathering. But many executives…

16 09 2019 | 09:05

Since cooling demand is primarily driven by the sun, could it also be powered by the sun?

The study is a collaborative effort of an international team of solar energy experts from Aalto University of Finland, Massachusetts Institute of Technology and SMART (Singapore-MIT Alliance for…

15 09 2019 | 14:04

How a Kenyan Coffee Roaster Is Scaling with Local Impact in Mind.

In 2016, entrepreneur Ritesh Doshi was burnt out and uncertain of what he wanted to do next. For the previous five years, he had devoted himself to running the Naked Pizza franchise in Kenya. The…

15 09 2019 | 13:09

Demand for battery metals, renewables fuelling rights violations — report.

Most of the world’s top companies mining for lithium, cobalt and other minerals used in the making of electric vehicles’ (EVs) batteries, solar panels and other green technologies have been linked to…

14 09 2019 | 16:05

Latest and Biggest Energy-Positive Building in Norway Unveiled.

The building will generate more power over its lifetime than it consumes. A new office building called Powerhouse Brattørkaia was unveiled this week in Norway that is built on a design based on a…

13 09 2019 | 21:20

Παλεύοντας με την κλιματική αλλαγή στην βορειότερη πόλη του πλανήτη.

Η κλιματική αλλαγή «απειλεί» το αρχιπέλαγος Σβάλμπαρντ και αυτή είναι μια προειδοποίηση για όλους μας. Τα παγόβουνα επιπλέουν σαν καταδικασμένα νησιά δίπλα στο μικρό πλοίο, καθώς αυτό περνάει μέσα…

13 09 2019 | 16:21

Greenland's ice faces melting 'death sentence'.

Greenland's massive ice sheet may have melted by a record amount this year, scientists have warned. During this year alone, it lost enough ice to raise the average global sea level by more than a…

13 09 2019 | 13:22

Μια ιστορική ανασκόπηση της υπεράκτιας αιολικής τεχνολογίας - Η δυνατότητα που γίνεται πραγματικότητα και η περίπτωση της Ελλάδας.

Πολλάκις έχει επισημανθεί τόσο από παράγοντες της αγοράς όσο και σε επιστημονική βάση από ειδικούς ότι η Ελλάδα διαθέτει σημαντικό – ανεκμετάλλευτο προς ώρας – υπεράκτιο αιολικό δυναμικό, ικανό να…

13 09 2019 | 09:06

Παιχνίδι για μεγάλους παίκτες στην ενέργεια.

Σε παιχνίδι για μεγάλους παίκτες μετατρέπεται η λιανική αγορά ηλεκτρισμού στην οποία σήμερα δραστηριοποιούνται εκτός από τη ΔΕΗ, 18 ιδιωτικές εταιρείες που συγκεντρώνουν μερίδιο 27%. Η αύξηση των…

11 09 2019 | 12:17

How to have an all-renewable electric grid.

The main solution to climate change is well known — stop burning fossil fuels. How to do this is more complicated, but as a scholar who does energy modeling, I and others see the outlines of a post-…

11 09 2019 | 12:05

Η κλιματική αλλαγή θέμα για το Σύνταγμα;

Χαμός στα ηλεκτρονικά καφενεία όπου γνωστοί ανώνυμοι "ειδήμονες" κατακεραυνώνουν όσους τολμούν να υπερασπιστούν τη θέση της ΕΛΕΤΑΕΝ για ένταξη του ζητήματος αυτού στο Σύνταγμα. Προσωπικά πιστεύω ότι…

11 09 2019 | 11:36

Οι αυξήσεις στο ρεύμα ευνοούν τις επενδύσεις στο net-metering.

Μια παράπλευρη ωφέλεια έφεραν οι αυξήσεις στην τιμή του ρεύματος. Τα νέα τιμολόγια της ΔΕΗ ευνοούν την αυτοπαραγωγή ενέργειας με συμψηφισμό (net–metering). Απλοί καταναλωτές που έχουν μετατραπεί σε…

10 09 2019 | 07:48

Kenya’s huge wind power project might be great for the environment but not for local communities.

Kenya recently launched the Lake Turkana Wind Power project, Africa’s largest wind energy project and the biggest public-private investment in Kenyan history. The wind farm will produce 300MW of low-…

10 09 2019 | 07:43

A burning issue: biomass is the biggest source of renewable energy consumed in the UK.

Analysis reveals the contribution of burning organic material from plants, trees and animals – including millions of tonnes of imported wood pellets from the USA and Canada – to the UK's energy mix.…

10 09 2019 | 07:43

Agrivoltaics Proves Mutually Beneficial Across Food, Water, Energy Nexus.

A paper published in Nature Sustainability presents the first field-data assessment of outcomes of a multi-year study of agrivoltaics in dryland regions led by UA geographer Greg Barron-Gafford.

10 09 2019 | 07:24

France looks to wind for island energy autonomy.

After a period of zero growth, wind deployment is beginning to take off again in France's overseas territories, but will need to speed up further to achieve the government's 2030 target. In 2009,…

10 09 2019 | 07:17

Piloting for Post 2020 Carbon Markets.

PREPARATIONS FOR THE NEXT GENERATION OF CARBON MARKETS ARE UNDERWAY, AS THERE IS NO TIME TO WASTE. VIRENDER KUMAR DUGGAL OUTLINES HOW AN INITIATIVE BY THE ASIAN DEVELOPMENT BANK IS HELPING COUNTRIES…

10 09 2019 | 07:13

Going green is not a luxury for Africa.

Earlier this year, Tropical Cyclone Idai tore through southern Africa, killing hundreds, injuring thousands, and displacing even more. In Mozambique, as much as half of all annual crops and critical…

09 09 2019 | 10:42

Storing energy for a transitioning grid.

A key factor in boosting New Zealand’s renewable energy contribution to the electricity grid will be the storage options we pursue. Professor Alan Brent explains what they are – and where the big…