Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Response to 'Burden of proof: A comprehensive review of the feasibility
  of 100% renewable-electricity systems'   A recent article 'Burden of proof: A comprehensive review of the feasibility
of 100% renewable-electricity systems' claims that many studies of 100%
renewable electricity systems do not demonstrate sufficient technical
feasibility, according to the criteria of the article's authors (henceforth
'the authors'). Here we analyse the authors' methodology and find it
problematic. The feasibility criteria chosen by the authors are important, but
are also easily addressed at low economic cost, while not affecting the main
conclusions of the reviewed studies and certainly not affecting their technical
feasibility. A more thorough review reveals that all of the issues have already
been addressed in the engineering and modelling literature. Nuclear power,
which the authors have evaluated positively elsewhere, faces other, genuine
feasibility problems, such as the finiteness of uranium resources and a
reliance on unproven technologies in the medium- to long-term. Energy systems
based on renewables, on the other hand, are not only feasible, but already
economically viable and decreasing in cost every year.

0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom