renewable energy

Question 1

where does renewable energy come from

Answer 1

from resources that are essentially inexhaustible

Question 2

what are some sources for renewable energy

Answer 2

wind, solar, wave/tidal, geothermal, hydropower, and biomass

Question 3

why is renewable energy a mitigation strategy

Answer 3

renewable energy sources do not produce greenhouse gas emissions, making them a mitigation strategy for climate change

Question 4

how many countries have renewable energy targets

Answer 4

over 160 countries, including australia, have renewable energy targets driven by the Paris Agreement, which aims to limit global average temperatures rise

Question 5

how much of global power capacity is based on renewable energy

Answer 5

one third

Question 6

how much do governments spend a year subsizing fossil fuels

Answer 6

US$ 600 billion which is five times the amount spent on clean or renewable energy

Question 7

what has happened to the coal plants since the pair’s agreement

Answer 7

over 75% of the worlds planned coal plants have been abandoned since the signing of the Paris agreement

Question 8

what is coal responsible for

Answer 8

coal is responsible for 46% of global carbon dioxide emissions and has negative impacts on the environment and peoples health

Question 9

why have renewable energy cost been declined

Answer 9

due to improvements in technology, economies of scale and competitive supply chains

Question 10

what will China, Europe, USA and India account for

Answer 10

80% of the expansion of renewable energy capacity

Question 11

what is the cheapest source of new energy generation

Answer 11

wind or solar

Question 12

what does Australia aim to do

Answer 12

Australia aims to have 50% of its electricity derived from renewable sources by 2050, with a surge in the installation of rooftop solar panels and renewable energy schemes at state levels

Question 13

what sources of renewable energy does Australia use

Answer 13

Australia use a wide range of renewable sources, including hydro, wind, solar, and bio-energy

Question 14

whats is Australias large-scale renewable energy target (LET)

Answer 14

it incentivizes investment in renewable energy power stations, and there is a small scale renewable energy scheme for households and businesses

Question 15

what do renewable energy need to do

Answer 15

they need to have an impact on high greenhouse gas emissions sectors like electricity and heat production to mitigate climate change

Question 16

why is agriculture a challenging sector to address

Answer 16

due to its significant contribution to the Australian economy

Question 17

what is samso island in Denmark

Answer 17

became the worlds first renewable energy powered island in 2021, with wind energy production doubling between 2009-2013

Question 18

what is Dogger Bank

Answer 18

is an offshore power source expected to be complete in 2026 and will be the world’s largest. it can power the equivalent of 6 million homes annually

Question 19

what has happened to wind energy production costs

Answer 19

they have decreased with onshore and offshore wind energy declining by 13% and 9%, respectively between 2019 and 2022

Question 20

how is power transmitted from dogger bank

Answer 20

high voltage direct current technology is used to transmit power from dogger bank which is efficient and minimises power loss over long distances

Question 21

what is the belief about the turbines at dogger bank

Answer 21

the 25-year lifespan of the turbines at dogger bank can be extended by at least ten years

Question 22

what are some critiques say about dogger bank

Answer 22

some critiques of the program include the fact that dogger bay is a special conversation area for harbour propose, which has been accounted for in the environmental assessment and application

Question 23

what is rottnest classified as

Answer 23

is a class A nature reserve focused on ecotourims

Question 24

what did the state government announce in relation to Rottnest Island

Answer 24

$62 million for upgrading energy and water infrastructure on the island in 2022

Question 25

what does the plan for rottnest island include

Answer 25

the plan includes renewable powering 75% of the islands energy needs, abating 4,000 tonnes of carbon emissions annually.

the plan involves doubling solar capacity, replacing the wind turbine with more efficient units, installing a battery and upgrading the power distribution network

Question 26

what is Rottnest Island sustainability of this water source

Answer 26

Rottnest island has its own desalination plant and the solar upgrades will increase the sustainability of this water source

Question 27

what does the Rottnest Island app show

Answer 27

showing real-time renewable power generation and information in reducing ecological footprint

Question 28

what was the paris aggrement

Answer 28

The Paris Agreement, often referred to as the Paris Accords or the Paris Climate Accords, is an international treaty on climate change. Adopted in 2015, the agreement covers climate change mitigation, adaptation, and finance